refactor: add gin_helper::Dictionary::CreateEmpty() helper (#39547)

shell/app/node_main.cc

@@ -222,7 +222,7 @@ int NodeMain(int argc, char* argv[]) {
       process.SetMethod("crash", &ElectronBindings::Crash);
 
       // Setup process.crashReporter in child node processes
-      gin_helper::Dictionary reporter = gin::Dictionary::CreateEmpty(isolate);
+      auto reporter = gin_helper::Dictionary::CreateEmpty(isolate);
       reporter.SetMethod("getParameters", &GetParameters);
 #if IS_MAS_BUILD()
       reporter.SetMethod("addExtraParameter", &SetCrashKeyStub);

shell/browser/api/electron_api_app.cc

@@ -202,7 +202,7 @@ struct Converter<JumpListItem> {
 
   static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                    const JumpListItem& val) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.Set("type", val.type);
 
     switch (val.type) {
@@ -338,7 +338,7 @@ struct Converter<Browser::LaunchItem> {
 
   static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                    Browser::LaunchItem val) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.Set("name", val.name);
     dict.Set("path", val.path);
     dict.Set("args", val.args);
@@ -371,7 +371,7 @@ struct Converter<Browser::LoginItemSettings> {
 
   static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                    Browser::LoginItemSettings val) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.Set("openAtLogin", val.open_at_login);
     dict.Set("openAsHidden", val.open_as_hidden);
     dict.Set("restoreState", val.restore_state);
@@ -1263,7 +1263,7 @@ v8::Local<v8::Value> App::GetJumpListSettings() {
   }
 
   v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.Set("minItems", min_items);
   dict.Set("removedItems", gin::ConvertToV8(isolate, removed_items));
   return dict.GetHandle();
@@ -1344,8 +1344,8 @@ std::vector<gin_helper::Dictionary> App::GetAppMetrics(v8::Isolate* isolate) {
   int processor_count = base::SysInfo::NumberOfProcessors();
 
   for (const auto& process_metric : app_metrics_) {
-    gin_helper::Dictionary pid_dict = gin::Dictionary::CreateEmpty(isolate);
-    gin_helper::Dictionary cpu_dict = gin::Dictionary::CreateEmpty(isolate);
+    auto pid_dict = gin_helper::Dictionary::CreateEmpty(isolate);
+    auto cpu_dict = gin_helper::Dictionary::CreateEmpty(isolate);
 
     pid_dict.SetHidden("simple", true);
     cpu_dict.SetHidden("simple", true);
@@ -1382,7 +1382,7 @@ std::vector<gin_helper::Dictionary> App::GetAppMetrics(v8::Isolate* isolate) {
 #if !BUILDFLAG(IS_LINUX)
     auto memory_info = process_metric.second->GetMemoryInfo();
 
-    gin_helper::Dictionary memory_dict = gin::Dictionary::CreateEmpty(isolate);
+    auto memory_dict = gin_helper::Dictionary::CreateEmpty(isolate);
     memory_dict.SetHidden("simple", true);
     memory_dict.Set("workingSetSize",
                     static_cast<double>(memory_info.working_set_size >> 10));
@@ -1534,7 +1534,7 @@ v8::Local<v8::Value> App::GetDockAPI(v8::Isolate* isolate) {
     // Initialize the Dock API, the methods are bound to "dock" which exists
     // for the lifetime of "app"
     auto browser = base::Unretained(Browser::Get());
-    gin_helper::Dictionary dock_obj = gin::Dictionary::CreateEmpty(isolate);
+    auto dock_obj = gin_helper::Dictionary::CreateEmpty(isolate);
     dock_obj.SetMethod("bounce", &DockBounce);
     dock_obj.SetMethod(
         "cancelBounce",

shell/browser/api/electron_api_base_window.cc

@@ -212,7 +212,7 @@ void BaseWindow::OnWindowWillResize(const gfx::Rect& new_bounds,
                                     bool* prevent_default) {
   v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
   v8::HandleScope handle_scope(isolate);
-  gin_helper::Dictionary info = gin::Dictionary::CreateEmpty(isolate);
+  auto info = gin::Dictionary::CreateEmpty(isolate);
   info.Set("edge", edge);
 
   if (Emit("will-resize", new_bounds, info)) {

shell/browser/api/electron_api_browser_window.cc

@@ -39,8 +39,7 @@ BrowserWindow::BrowserWindow(gin::Arguments* args,
     : BaseWindow(args->isolate(), options) {
   // Use options.webPreferences in WebContents.
   v8::Isolate* isolate = args->isolate();
-  gin_helper::Dictionary web_preferences =
-      gin::Dictionary::CreateEmpty(isolate);
+  auto web_preferences = gin_helper::Dictionary::CreateEmpty(isolate);
   options.Get(options::kWebPreferences, &web_preferences);
 
   bool transparent = false;

shell/browser/api/electron_api_desktop_capturer.cc

@@ -151,7 +151,7 @@ struct Converter<electron::api::DesktopCapturer::Source> {
   static v8::Local<v8::Value> ToV8(
       v8::Isolate* isolate,
       const electron::api::DesktopCapturer::Source& source) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     content::DesktopMediaID id = source.media_list_source.id;
     dict.Set("name", base::UTF16ToUTF8(source.media_list_source.name));
     dict.Set("id", id.ToString());

shell/browser/api/electron_api_dialog.cc

@@ -29,7 +29,7 @@ void ResolvePromiseObject(gin_helper::Promise<gin_helper::Dictionary> promise,
                           bool checkbox_checked) {
   v8::Isolate* isolate = promise.isolate();
   v8::HandleScope handle_scope(isolate);
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
 
   dict.Set("response", result);
   dict.Set("checkboxChecked", checkbox_checked);

shell/browser/api/electron_api_in_app_purchase.cc

@@ -20,7 +20,7 @@ struct Converter<in_app_purchase::PaymentDiscount> {
   static v8::Local<v8::Value> ToV8(
       v8::Isolate* isolate,
       const in_app_purchase::PaymentDiscount& paymentDiscount) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.SetHidden("simple", true);
     dict.Set("identifier", paymentDiscount.identifier);
     dict.Set("keyIdentifier", paymentDiscount.keyIdentifier);
@@ -35,7 +35,7 @@ template <>
 struct Converter<in_app_purchase::Payment> {
   static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                    const in_app_purchase::Payment& payment) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.SetHidden("simple", true);
     dict.Set("productIdentifier", payment.productIdentifier);
     dict.Set("quantity", payment.quantity);
@@ -51,7 +51,7 @@ template <>
 struct Converter<in_app_purchase::Transaction> {
   static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                    const in_app_purchase::Transaction& val) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.SetHidden("simple", true);
     dict.Set("transactionIdentifier", val.transactionIdentifier);
     dict.Set("transactionDate", val.transactionDate);
@@ -71,7 +71,7 @@ struct Converter<in_app_purchase::ProductSubscriptionPeriod> {
       v8::Isolate* isolate,
       const in_app_purchase::ProductSubscriptionPeriod&
           productSubscriptionPeriod) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.SetHidden("simple", true);
     dict.Set("numberOfUnits", productSubscriptionPeriod.numberOfUnits);
     dict.Set("unit", productSubscriptionPeriod.unit);
@@ -84,7 +84,7 @@ struct Converter<in_app_purchase::ProductDiscount> {
   static v8::Local<v8::Value> ToV8(
       v8::Isolate* isolate,
       const in_app_purchase::ProductDiscount& productDiscount) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.SetHidden("simple", true);
     dict.Set("identifier", productDiscount.identifier);
     dict.Set("type", productDiscount.type);
@@ -104,7 +104,7 @@ template <>
 struct Converter<in_app_purchase::Product> {
   static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                    const in_app_purchase::Product& val) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.SetHidden("simple", true);
     dict.Set("productIdentifier", val.productIdentifier);
     dict.Set("localizedDescription", val.localizedDescription);

shell/browser/api/electron_api_notification.cc

@@ -36,7 +36,7 @@ struct Converter<electron::NotificationAction> {
 
   static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                    electron::NotificationAction val) {
-    gin::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin::Dictionary::CreateEmpty(isolate);
     dict.Set("text", val.text);
     dict.Set("type", val.type);
     return ConvertToV8(isolate, dict);

shell/browser/api/electron_api_printing.cc

@@ -24,7 +24,7 @@ template <>
 struct Converter<printing::PrinterBasicInfo> {
   static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                    const printing::PrinterBasicInfo& val) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.Set("name", val.printer_name);
     dict.Set("displayName", val.display_name);
     dict.Set("description", val.printer_description);

shell/browser/api/electron_api_system_preferences.cc

@@ -35,7 +35,7 @@ SystemPreferences::~SystemPreferences() = default;
 
 v8::Local<v8::Value> SystemPreferences::GetAnimationSettings(
     v8::Isolate* isolate) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   dict.Set("shouldRenderRichAnimation",
            gfx::Animation::ShouldRenderRichAnimation());

shell/browser/api/electron_api_url_loader.cc

@@ -50,7 +50,7 @@ struct Converter<network::mojom::HttpRawHeaderPairPtr> {
   static v8::Local<v8::Value> ToV8(
       v8::Isolate* isolate,
       const network::mojom::HttpRawHeaderPairPtr& pair) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.Set("key", pair->key);
     dict.Set("value", pair->value);
     return dict.GetHandle();
@@ -709,7 +709,7 @@ void SimpleURLLoaderWrapper::OnResponseStarted(
     const network::mojom::URLResponseHead& response_head) {
   v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
   v8::HandleScope scope(isolate);
-  gin::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin::Dictionary::CreateEmpty(isolate);
   dict.Set("statusCode", response_head.headers->response_code());
   dict.Set("statusMessage", response_head.headers->GetStatusText());
   dict.Set("httpVersion", response_head.headers->GetHttpVersion());

shell/browser/api/electron_api_web_contents.cc

@@ -1504,7 +1504,7 @@ void WebContents::FindReply(content::WebContents* web_contents,
 
   v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
   v8::HandleScope handle_scope(isolate);
-  gin_helper::Dictionary result = gin::Dictionary::CreateEmpty(isolate);
+  auto result = gin_helper::Dictionary::CreateEmpty(isolate);
   result.Set("requestId", request_id);
   result.Set("matches", number_of_matches);
   result.Set("selectionArea", selection_rect);

shell/browser/browser_mac.mm

@@ -105,7 +105,7 @@ v8::Local<v8::Promise> Browser::GetApplicationInfoForProtocol(
     const GURL& url) {
   gin_helper::Promise<gin_helper::Dictionary> promise(isolate);
   v8::Local<v8::Promise> handle = promise.GetHandle();
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
 
   NSString* ns_app_path = GetAppPathForProtocol(url);
 

shell/browser/browser_win.cc

@@ -113,8 +113,7 @@ void OnIconDataAvailable(const base::FilePath& app_path,
                          gfx::Image icon) {
   if (!icon.IsEmpty()) {
     v8::HandleScope scope(promise.isolate());
-    gin_helper::Dictionary dict =
-        gin::Dictionary::CreateEmpty(promise.isolate());
+    auto dict = gin_helper::Dictionary::CreateEmpty(promise.isolate());
 
     dict.Set("path", app_path);
     dict.Set("name", app_display_name);
@@ -270,7 +269,7 @@ void GetFileIcon(const base::FilePath& path,
   gfx::Image* icon =
       icon_manager->LookupIconFromFilepath(normalized_path, icon_size, 1.0f);
   if (icon) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.Set("icon", *icon);
     dict.Set("name", app_display_name);
     dict.Set("path", normalized_path);

shell/browser/lib/bluetooth_chooser.cc

@@ -14,7 +14,7 @@ struct Converter<electron::BluetoothChooser::DeviceInfo> {
   static v8::Local<v8::Value> ToV8(
       v8::Isolate* isolate,
       const electron::BluetoothChooser::DeviceInfo& val) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.Set("deviceName", val.device_name);
     dict.Set("deviceId", val.device_id);
     return gin::ConvertToV8(isolate, dict);

shell/browser/serial/serial_chooser_controller.cc

@@ -26,7 +26,7 @@ struct Converter<device::mojom::SerialPortInfoPtr> {
   static v8::Local<v8::Value> ToV8(
       v8::Isolate* isolate,
       const device::mojom::SerialPortInfoPtr& port) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.Set("portId", port->token.ToString());
     dict.Set("portName", port->path.BaseName().LossyDisplayName());
     if (port->display_name && !port->display_name->empty()) {

shell/common/api/electron_api_asar.cc

@@ -215,7 +215,7 @@ static void SplitPath(const v8::FunctionCallbackInfo<v8::Value>& args) {
     return;
   }
 
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   base::FilePath asar_path, file_path;
   if (asar::GetAsarArchivePath(path, &asar_path, &file_path, true)) {
     dict.Set("isAsar", true);

shell/common/api/electron_api_native_image.cc

@@ -643,7 +643,7 @@ void Initialize(v8::Local<v8::Object> exports,
                 void* priv) {
   v8::Isolate* isolate = context->GetIsolate();
   gin_helper::Dictionary dict(isolate, exports);
-  gin_helper::Dictionary native_image = gin::Dictionary::CreateEmpty(isolate);
+  auto native_image = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.Set("nativeImage", native_image);
 
   native_image.SetMethod("createEmpty", &NativeImage::CreateEmpty);

shell/common/api/electron_bindings.cc

@@ -139,7 +139,7 @@ v8::Local<v8::Value> ElectronBindings::GetHeapStatistics(v8::Isolate* isolate) {
   v8::HeapStatistics v8_heap_stats;
   isolate->GetHeapStatistics(&v8_heap_stats);
 
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   dict.Set("totalHeapSize",
            static_cast<double>(v8_heap_stats.total_heap_size() >> 10));
@@ -184,7 +184,7 @@ v8::Local<v8::Value> ElectronBindings::GetSystemMemoryInfo(
     return v8::Undefined(isolate);
   }
 
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   dict.Set("total", mem_info.total);
 
@@ -235,7 +235,7 @@ v8::Local<v8::Value> ElectronBindings::GetBlinkMemoryInfo(
   auto allocated = blink::ProcessHeap::TotalAllocatedObjectSize();
   auto total = blink::ProcessHeap::TotalAllocatedSpace();
 
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   dict.Set("allocated", static_cast<double>(allocated >> 10));
   dict.Set("total", static_cast<double>(total >> 10));
@@ -266,7 +266,7 @@ void ElectronBindings::DidReceiveMemoryDump(
   for (const memory_instrumentation::GlobalMemoryDump::ProcessDump& dump :
        global_dump->process_dumps()) {
     if (target_pid == dump.pid()) {
-      gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+      auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
       const auto& osdump = dump.os_dump();
 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_WIN)
       dict.Set("residentSet", osdump.resident_set_kb);
@@ -288,7 +288,7 @@ void ElectronBindings::DidReceiveMemoryDump(
 v8::Local<v8::Value> ElectronBindings::GetCPUUsage(
     base::ProcessMetrics* metrics,
     v8::Isolate* isolate) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   int processor_count = base::SysInfo::NumberOfProcessors();
   dict.Set("percentCPUUsage",
@@ -309,7 +309,7 @@ v8::Local<v8::Value> ElectronBindings::GetCPUUsage(
 v8::Local<v8::Value> ElectronBindings::GetIOCounters(v8::Isolate* isolate) {
   auto metrics = base::ProcessMetrics::CreateCurrentProcessMetrics();
   base::IoCounters io_counters;
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
 
   if (metrics->GetIOCounters(&io_counters)) {

shell/common/gin_converters/blink_converter.cc

@@ -311,7 +311,7 @@ int GetKeyLocationCode(const blink::WebInputEvent& key) {
 v8::Local<v8::Value> Converter<blink::WebKeyboardEvent>::ToV8(
     v8::Isolate* isolate,
     const blink::WebKeyboardEvent& in) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
 
   dict.Set("type", in.GetType());
   dict.Set("key", ui::KeycodeConverter::DomKeyToKeyString(in.dom_key));
@@ -468,7 +468,7 @@ Converter<blink::mojom::ContextMenuDataInputFieldType>::ToV8(
 }
 
 v8::Local<v8::Value> EditFlagsToV8(v8::Isolate* isolate, int editFlags) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.Set("canUndo",
            !!(editFlags & blink::ContextMenuDataEditFlags::kCanUndo));
   dict.Set("canRedo",
@@ -497,7 +497,7 @@ v8::Local<v8::Value> EditFlagsToV8(v8::Isolate* isolate, int editFlags) {
 }
 
 v8::Local<v8::Value> MediaFlagsToV8(v8::Isolate* isolate, int mediaFlags) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.Set("inError", !!(mediaFlags & blink::ContextMenuData::kMediaInError));
   dict.Set("isPaused", !!(mediaFlags & blink::ContextMenuData::kMediaPaused));
   dict.Set("isMuted", !!(mediaFlags & blink::ContextMenuData::kMediaMuted));
@@ -522,7 +522,7 @@ v8::Local<v8::Value> MediaFlagsToV8(v8::Isolate* isolate, int mediaFlags) {
 v8::Local<v8::Value> Converter<blink::WebCacheResourceTypeStat>::ToV8(
     v8::Isolate* isolate,
     const blink::WebCacheResourceTypeStat& stat) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.Set("count", static_cast<uint32_t>(stat.count));
   dict.Set("size", static_cast<double>(stat.size));
   dict.Set("liveSize", static_cast<double>(stat.decoded_size));
@@ -532,7 +532,7 @@ v8::Local<v8::Value> Converter<blink::WebCacheResourceTypeStat>::ToV8(
 v8::Local<v8::Value> Converter<blink::WebCacheResourceTypeStats>::ToV8(
     v8::Isolate* isolate,
     const blink::WebCacheResourceTypeStats& stats) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.Set("images", stats.images);
   dict.Set("scripts", stats.scripts);
   dict.Set("cssStyleSheets", stats.css_style_sheets);
@@ -565,7 +565,7 @@ bool Converter<network::mojom::ReferrerPolicy>::FromV8(
 v8::Local<v8::Value> Converter<blink::mojom::Referrer>::ToV8(
     v8::Isolate* isolate,
     const blink::mojom::Referrer& val) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.Set("url", ConvertToV8(isolate, val.url));
   dict.Set("policy", ConvertToV8(isolate, val.policy));
   return gin::ConvertToV8(isolate, dict);

shell/common/gin_converters/content_converter.cc

@@ -125,7 +125,7 @@ v8::Local<v8::Value> Converter<ContextMenuParamsWithRenderFrameHost>::ToV8(
     const ContextMenuParamsWithRenderFrameHost& val) {
   const auto& params = val.first;
   content::RenderFrameHost* render_frame_host = val.second;
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetGetter("frame", render_frame_host, v8::DontEnum);
   dict.Set("x", params.x);
   dict.Set("y", params.y);
@@ -309,7 +309,7 @@ bool Converter<content::WebContents*>::FromV8(v8::Isolate* isolate,
 v8::Local<v8::Value> Converter<content::Referrer>::ToV8(
     v8::Isolate* isolate,
     const content::Referrer& val) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.Set("url", ConvertToV8(isolate, val.url));
   dict.Set("policy", ConvertToV8(isolate, val.policy));
   return gin::ConvertToV8(isolate, dict);

shell/common/gin_converters/file_dialog_converter.cc

@@ -27,7 +27,7 @@ bool Converter<file_dialog::Filter>::FromV8(v8::Isolate* isolate,
 v8::Local<v8::Value> Converter<file_dialog::Filter>::ToV8(
     v8::Isolate* isolate,
     const file_dialog::Filter& in) {
-  gin::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin::Dictionary::CreateEmpty(isolate);
 
   dict.Set("name", in.first);
   dict.Set("extensions", in.second);
@@ -58,7 +58,7 @@ bool Converter<file_dialog::DialogSettings>::FromV8(
 v8::Local<v8::Value> Converter<file_dialog::DialogSettings>::ToV8(
     v8::Isolate* isolate,
     const file_dialog::DialogSettings& in) {
-  gin::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin::Dictionary::CreateEmpty(isolate);
 
   dict.Set("window",
            electron::api::BrowserWindow::From(isolate, in.parent_window));

shell/common/gin_converters/gfx_converter.cc

@@ -17,7 +17,7 @@ namespace gin {
 
 v8::Local<v8::Value> Converter<gfx::Point>::ToV8(v8::Isolate* isolate,
                                                  const gfx::Point& val) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   dict.Set("x", val.x());
   dict.Set("y", val.y());
@@ -40,7 +40,7 @@ bool Converter<gfx::Point>::FromV8(v8::Isolate* isolate,
 
 v8::Local<v8::Value> Converter<gfx::PointF>::ToV8(v8::Isolate* isolate,
                                                   const gfx::PointF& val) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   dict.Set("x", val.x());
   dict.Set("y", val.y());
@@ -62,7 +62,7 @@ bool Converter<gfx::PointF>::FromV8(v8::Isolate* isolate,
 
 v8::Local<v8::Value> Converter<gfx::Size>::ToV8(v8::Isolate* isolate,
                                                 const gfx::Size& val) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   dict.Set("width", val.width());
   dict.Set("height", val.height());
@@ -84,7 +84,7 @@ bool Converter<gfx::Size>::FromV8(v8::Isolate* isolate,
 
 v8::Local<v8::Value> Converter<gfx::Rect>::ToV8(v8::Isolate* isolate,
                                                 const gfx::Rect& val) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   dict.Set("x", val.x());
   dict.Set("y", val.y());
@@ -141,7 +141,7 @@ struct Converter<display::Display::TouchSupport> {
 v8::Local<v8::Value> Converter<display::Display>::ToV8(
     v8::Isolate* isolate,
     const display::Display& val) {
-  gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
   dict.SetHidden("simple", true);
   dict.Set("id", val.id());
   dict.Set("label", val.label());

shell/common/gin_converters/net_converter.cc

@@ -59,7 +59,7 @@ bool CertFromData(const std::string& data,
 v8::Local<v8::Value> Converter<net::AuthChallengeInfo>::ToV8(
     v8::Isolate* isolate,
     const net::AuthChallengeInfo& val) {
-  gin::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin::Dictionary::CreateEmpty(isolate);
   dict.Set("isProxy", val.is_proxy);
   dict.Set("scheme", val.scheme);
   dict.Set("host", val.challenger.host());
@@ -610,7 +610,7 @@ bool Converter<scoped_refptr<network::ResourceRequestBody>>::FromV8(
 v8::Local<v8::Value> Converter<network::ResourceRequest>::ToV8(
     v8::Isolate* isolate,
     const network::ResourceRequest& val) {
-  gin::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin::Dictionary::CreateEmpty(isolate);
   dict.Set("method", val.method);
   dict.Set("url", val.url.spec());
   dict.Set("referrer", val.referrer.spec());
@@ -624,7 +624,7 @@ v8::Local<v8::Value> Converter<network::ResourceRequest>::ToV8(
 v8::Local<v8::Value> Converter<electron::VerifyRequestParams>::ToV8(
     v8::Isolate* isolate,
     electron::VerifyRequestParams val) {
-  gin::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin::Dictionary::CreateEmpty(isolate);
   dict.Set("hostname", val.hostname);
   dict.Set("certificate", val.certificate);
   dict.Set("validatedCertificate", val.validated_certificate);
@@ -638,7 +638,7 @@ v8::Local<v8::Value> Converter<electron::VerifyRequestParams>::ToV8(
 v8::Local<v8::Value> Converter<net::HttpVersion>::ToV8(
     v8::Isolate* isolate,
     const net::HttpVersion& val) {
-  gin::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin::Dictionary::CreateEmpty(isolate);
   dict.Set("major", static_cast<uint32_t>(val.major_value()));
   dict.Set("minor", static_cast<uint32_t>(val.minor_value()));
   return ConvertToV8(isolate, dict);
@@ -648,7 +648,7 @@ v8::Local<v8::Value> Converter<net::HttpVersion>::ToV8(
 v8::Local<v8::Value> Converter<net::RedirectInfo>::ToV8(
     v8::Isolate* isolate,
     const net::RedirectInfo& val) {
-  gin::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+  auto dict = gin::Dictionary::CreateEmpty(isolate);
 
   dict.Set("statusCode", val.status_code);
   dict.Set("newMethod", val.new_method);

shell/common/gin_converters/serial_port_info_converter.h

@@ -16,7 +16,7 @@ struct Converter<device::mojom::SerialPortInfoPtr> {
   static v8::Local<v8::Value> ToV8(
       v8::Isolate* isolate,
       const device::mojom::SerialPortInfoPtr& port) {
-    gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
+    auto dict = gin_helper::Dictionary::CreateEmpty(isolate);
     dict.Set("portId", port->token.ToString());
     dict.Set("portName", port->path.BaseName().LossyDisplayName());
     if (port->display_name && !port->display_name->empty())

shell/common/gin_helper/callback.cc

@@ -126,7 +126,7 @@ v8::Local<v8::Value> CreateFunctionFromTranslater(v8::Isolate* isolate,
       v8::Local<v8::FunctionTemplate>::New(isolate, g_call_translater);
   auto* holder = new TranslaterHolder(isolate);
   holder->translater = translater;
-  gin::Dictionary state = gin::Dictionary::CreateEmpty(isolate);
+  auto state = gin::Dictionary::CreateEmpty(isolate);
   if (one_time)
     state.Set("oneTime", true);
   auto context = isolate->GetCurrentContext();

shell/common/gin_helper/dictionary.h

@@ -31,6 +31,10 @@ class Dictionary : public gin::Dictionary {
   Dictionary(const gin::Dictionary& dict)  // NOLINT(runtime/explicit)
       : gin::Dictionary(dict) {}
 
+  static Dictionary CreateEmpty(v8::Isolate* isolate) {
+    return gin::Dictionary::CreateEmpty(isolate);
+  }
+
   // Differences from the Get method in gin::Dictionary:
   // 1. This is a const method;
   // 2. It checks whether the key exists before reading;

shell/renderer/electron_sandboxed_renderer_client.cc

@@ -137,7 +137,7 @@ void ElectronSandboxedRendererClient::InitializeBindings(
   b.SetMethod("get", GetBinding);
   b.SetMethod("createPreloadScript", CreatePreloadScript);
 
-  gin_helper::Dictionary process = gin::Dictionary::CreateEmpty(isolate);
+  auto process = gin_helper::Dictionary::CreateEmpty(isolate);
   b.Set("process", process);
 
   ElectronBindings::BindProcess(isolate, &process, metrics_.get());

shell/renderer/renderer_client_base.cc

@@ -596,7 +596,7 @@ void RendererClientBase::SetupMainWorldOverrides(
   v8::HandleScope handle_scope(isolate);
   v8::Context::Scope context_scope(context);
 
-  gin_helper::Dictionary isolated_api = gin::Dictionary::CreateEmpty(isolate);
+  auto isolated_api = gin_helper::Dictionary::CreateEmpty(isolate);
   isolated_api.SetMethod("allowGuestViewElementDefinition",
                          &AllowGuestViewElementDefinition);
   isolated_api.SetMethod("setIsWebView", &SetIsWebView);