fix: build when some buildflags are disabled (#23307)

BUILD.gn

@@ -3,6 +3,7 @@ import("//build/config/ui.gni")
 import("//build/config/win/manifest.gni")
 import("//components/spellcheck/spellcheck_build_features.gni")
 import("//content/public/app/mac_helpers.gni")
+import("//extensions/buildflags/buildflags.gni")
 import("//pdf/features.gni")
 import("//ppapi/buildflags/buildflags.gni")
 import("//printing/buildflags/buildflags.gni")
@@ -58,6 +59,17 @@ if (is_mas_build) {
          "It doesn't make sense to build a MAS build on a non-mac platform")
 }
 
+if (enable_pdf_viewer) {
+  assert(enable_pdf, "PDF viewer support requires enable_pdf=true")
+  assert(enable_electron_extensions,
+         "PDF viewer support requires enable_electron_extensions=true")
+}
+
+if (enable_electron_extensions) {
+  assert(enable_extensions,
+         "Chrome extension support requires enable_extensions=true")
+}
+
 config("branding") {
   defines = [
     "ELECTRON_PRODUCT_NAME=\"$electron_product_name\"",
@@ -330,7 +342,9 @@ source_set("electron_lib") {
     "//components/network_hints/common:mojo_bindings",
     "//components/network_hints/renderer",
     "//components/network_session_configurator/common",
+    "//components/pref_registry",
     "//components/prefs",
+    "//components/user_prefs",
     "//components/viz/host",
     "//components/viz/service",
     "//content/public/browser",
@@ -622,15 +636,6 @@ source_set("electron_lib") {
     deps += [ "//components/printing/common:mojo_interfaces" ]
   }
 
-  deps += [
-    "//components/pref_registry",
-    "//components/user_prefs",
-    "//extensions/browser",
-    "//extensions/browser:core_api_provider",
-    "//extensions/common",
-    "//extensions/common:core_api_provider",
-    "//extensions/renderer",
-  ]
   if (enable_electron_extensions) {
     sources += filenames.lib_sources_extensions
     deps += [
@@ -639,6 +644,11 @@ source_set("electron_lib") {
       "shell/common/extensions/api:extensions_features",
       "//chrome/browser/resources:component_extension_resources",
       "//components/zoom",
+      "//extensions/browser",
+      "//extensions/browser:core_api_provider",
+      "//extensions/common",
+      "//extensions/common:core_api_provider",
+      "//extensions/renderer",
     ]
   }
 

build/args/all.gn

@@ -20,7 +20,3 @@ angle_enable_vulkan_validation_layers = false
 dawn_enable_vulkan_validation_layers = false
 
 is_cfi = false
-
-enable_osr = true
-
-enable_electron_extensions = true

buildflags/buildflags.gni

@@ -32,7 +32,7 @@ declare_args() {
   enable_pepper_flash = true
 
   # Enable Chrome extensions support.
-  enable_electron_extensions = false
+  enable_electron_extensions = true
 
   # Enable Spellchecker support
   enable_builtin_spellchecker = true

chromium_src/BUILD.gn

@@ -239,17 +239,22 @@ static_library("chrome") {
     sources += [
       "//chrome/browser/extensions/chrome_url_request_util.cc",
       "//chrome/browser/extensions/chrome_url_request_util.h",
-      "//chrome/browser/pdf/pdf_extension_util.cc",
-      "//chrome/browser/pdf/pdf_extension_util.h",
       "//chrome/browser/plugins/plugin_response_interceptor_url_loader_throttle.cc",
       "//chrome/browser/plugins/plugin_response_interceptor_url_loader_throttle.h",
       "//chrome/renderer/extensions/extension_hooks_delegate.cc",
       "//chrome/renderer/extensions/extension_hooks_delegate.h",
       "//chrome/renderer/extensions/tabs_hooks_delegate.cc",
       "//chrome/renderer/extensions/tabs_hooks_delegate.h",
-      "//chrome/renderer/pepper/chrome_pdf_print_client.cc",
-      "//chrome/renderer/pepper/chrome_pdf_print_client.h",
     ]
+
+    if (enable_pdf_viewer) {
+      sources += [
+        "//chrome/browser/pdf/pdf_extension_util.cc",
+        "//chrome/browser/pdf/pdf_extension_util.h",
+        "//chrome/renderer/pepper/chrome_pdf_print_client.cc",
+        "//chrome/renderer/pepper/chrome_pdf_print_client.h",
+      ]
+    }
   }
 }
 
@@ -268,12 +273,14 @@ source_set("plugins") {
     "//chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.h",
   ]
   deps += [
-    "//components/pdf/browser",
     "//media:media_buildflags",
     "//ppapi/buildflags",
     "//ppapi/proxy:ipc",
     "//services/device/public/mojom",
   ]
+  if (enable_pdf_viewer) {
+    deps += [ "//components/pdf/browser" ]
+  }
   if (enable_pepper_flash) {
     sources += [
       "//chrome/browser/renderer_host/pepper/pepper_flash_browser_host.cc",
@@ -319,9 +326,11 @@ source_set("plugins") {
       "//chrome/renderer/pepper/pepper_flash_font_file_host.cc",
       "//chrome/renderer/pepper/pepper_flash_font_file_host.h",
     ]
+    if (enable_pdf_viewer) {
+      deps += [ "//components/pdf/renderer" ]
+    }
   }
   deps += [
-    "//components/pdf/renderer",
     "//components/strings",
     "//media:media_buildflags",
     "//ppapi/host",

filenames.gni

@@ -488,8 +488,6 @@ filenames = {
     "shell/common/gin_converters/callback_converter.h",
     "shell/common/gin_converters/content_converter.cc",
     "shell/common/gin_converters/content_converter.h",
-    "shell/common/gin_converters/extension_converter.cc",
-    "shell/common/gin_converters/extension_converter.h",
     "shell/common/gin_converters/file_dialog_converter.cc",
     "shell/common/gin_converters/file_dialog_converter.h",
     "shell/common/gin_converters/file_path_converter.h",
@@ -663,6 +661,8 @@ filenames = {
     "shell/common/extensions/electron_extensions_api_provider.h",
     "shell/common/extensions/electron_extensions_client.cc",
     "shell/common/extensions/electron_extensions_client.h",
+    "shell/common/gin_converters/extension_converter.cc",
+    "shell/common/gin_converters/extension_converter.h",
     "shell/renderer/extensions/electron_extensions_dispatcher_delegate.cc",
     "shell/renderer/extensions/electron_extensions_dispatcher_delegate.h",
     "shell/renderer/extensions/electron_extensions_renderer_client.cc",

shell/app/electron_main_delegate_mac.mm

@@ -15,6 +15,7 @@
 #include "base/strings/sys_string_conversions.h"
 #include "content/common/mac_helpers.h"
 #include "content/public/common/content_paths.h"
+#include "ppapi/buildflags/buildflags.h"
 #include "shell/browser/mac/electron_application.h"
 #include "shell/common/application_info.h"
 #include "shell/common/mac/main_application_bundle.h"
@@ -40,9 +41,11 @@ base::FilePath GetHelperAppPath(const base::FilePath& frameworks_path,
   } else if (base::EndsWith(path.value(), content::kMacHelperSuffix_gpu,
                             base::CompareCase::SENSITIVE)) {
     helper_name += content::kMacHelperSuffix_gpu;
+#if BUILDFLAG(ENABLE_PLUGINS)
   } else if (base::EndsWith(path.value(), content::kMacHelperSuffix_plugin,
                             base::CompareCase::SENSITIVE)) {
     helper_name += content::kMacHelperSuffix_plugin;
+#endif
   }
 
   return frameworks_path.Append(name + " " + helper_name + ".app")

shell/browser/api/electron_api_web_contents.h

@@ -34,7 +34,7 @@
 #if BUILDFLAG(ENABLE_PRINTING)
 #include "chrome/browser/printing/print_view_manager_basic.h"
 #include "components/printing/common/print_messages.h"
-#include "printing/backend/print_backend.h"
+#include "printing/backend/print_backend.h"  // nogncheck
 #include "shell/browser/printing/print_preview_message_handler.h"
 
 #if defined(OS_WIN)

shell/browser/electron_browser_client.cc

@@ -91,6 +91,7 @@
 #include "shell/common/application_info.h"
 #include "shell/common/options_switches.h"
 #include "shell/common/platform_util.h"
+#include "third_party/blink/public/common/loader/url_loader_throttle.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/native_theme/native_theme.h"
 #include "v8/include/v8.h"
@@ -115,7 +116,7 @@
 #endif
 
 #if BUILDFLAG(ENABLE_PEPPER_FLASH)
-#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
+#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"  // nogncheck
 #endif  // BUILDFLAG(ENABLE_PEPPER_FLASH)
 
 #if BUILDFLAG(OVERRIDE_LOCATION_PROVIDER)
@@ -140,6 +141,7 @@
 #include "extensions/browser/extension_message_filter.h"
 #include "extensions/browser/extension_navigation_throttle.h"
 #include "extensions/browser/extension_registry.h"
+#include "extensions/browser/extensions_browser_client.h"
 #include "extensions/browser/guest_view/extensions_guest_view_message_filter.h"
 #include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
 #include "extensions/browser/info_map.h"
@@ -453,6 +455,7 @@ void ElectronBrowserClient::RenderProcessWillLaunch(
     return;
 
   auto* browser_context = host->GetBrowserContext();
+  ALLOW_UNUSED_LOCAL(browser_context);
 
 #if BUILDFLAG(ENABLE_PRINTING)
   host->AddFilter(

shell/browser/extensions/electron_extension_system.cc

@@ -14,7 +14,6 @@
 #include "base/json/json_string_value_serializer.h"
 #include "base/path_service.h"
 #include "base/task/post_task.h"
-#include "chrome/browser/pdf/pdf_extension_util.h"
 #include "chrome/common/chrome_paths.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_task_traits.h"
@@ -22,6 +21,7 @@
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
+#include "electron/buildflags/buildflags.h"
 #include "extensions/browser/api/app_runtime/app_runtime_api.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/info_map.h"
@@ -36,6 +36,10 @@
 #include "extensions/common/file_util.h"
 #include "shell/browser/extensions/electron_extension_loader.h"
 
+#if BUILDFLAG(ENABLE_PDF_VIEWER)
+#include "chrome/browser/pdf/pdf_extension_util.h"
+#endif
+
 using content::BrowserContext;
 using content::BrowserThread;
 
@@ -106,6 +110,7 @@ std::unique_ptr<base::DictionaryValue> ParseManifest(
 }
 
 void ElectronExtensionSystem::LoadComponentExtensions() {
+#if BUILDFLAG(ENABLE_PDF_VIEWER)
   std::string utf8_error;
   std::string pdf_manifest_string = pdf_extension_util::GetManifest();
   std::unique_ptr<base::DictionaryValue> pdf_manifest =
@@ -117,6 +122,7 @@ void ElectronExtensionSystem::LoadComponentExtensions() {
       root_directory, extensions::Manifest::COMPONENT, *pdf_manifest,
       extensions::Extension::REQUIRE_KEY, &utf8_error);
   extension_loader_->registrar()->AddExtension(pdf_extension);
+#endif
 }
 
 ExtensionService* ElectronExtensionSystem::extension_service() {

shell/browser/net/proxying_websocket.cc

@@ -375,24 +375,19 @@ void ProxyingWebSocket::OnHeadersReceivedComplete(int error_code) {
     ContinueToCompleted();
 }
 
-void ProxyingWebSocket::OnAuthRequiredComplete(
-    extensions::ExtensionWebRequestEventRouter::AuthRequiredResponse rv) {
+void ProxyingWebSocket::OnAuthRequiredComplete(AuthRequiredResponse rv) {
   CHECK(auth_required_callback_);
   ResumeIncomingMethodCallProcessing();
   switch (rv) {
-    case extensions::ExtensionWebRequestEventRouter::AuthRequiredResponse::
-        AUTH_REQUIRED_RESPONSE_NO_ACTION:
-    case extensions::ExtensionWebRequestEventRouter::AuthRequiredResponse::
-        AUTH_REQUIRED_RESPONSE_CANCEL_AUTH:
+    case AuthRequiredResponse::AUTH_REQUIRED_RESPONSE_NO_ACTION:
+    case AuthRequiredResponse::AUTH_REQUIRED_RESPONSE_CANCEL_AUTH:
       std::move(auth_required_callback_).Run(base::nullopt);
       break;
 
-    case extensions::ExtensionWebRequestEventRouter::AuthRequiredResponse::
-        AUTH_REQUIRED_RESPONSE_SET_AUTH:
+    case AuthRequiredResponse::AUTH_REQUIRED_RESPONSE_SET_AUTH:
       std::move(auth_required_callback_).Run(auth_credentials_);
       break;
-    case extensions::ExtensionWebRequestEventRouter::AuthRequiredResponse::
-        AUTH_REQUIRED_RESPONSE_IO_PENDING:
+    case AuthRequiredResponse::AUTH_REQUIRED_RESPONSE_IO_PENDING:
       NOTREACHED();
       break;
   }
@@ -410,8 +405,7 @@ void ProxyingWebSocket::OnHeadersReceivedCompleteForAuth(
 
   auto continuation = base::BindRepeating(
       &ProxyingWebSocket::OnAuthRequiredComplete, weak_factory_.GetWeakPtr());
-  auto auth_rv = extensions::ExtensionWebRequestEventRouter::
-      AuthRequiredResponse::AUTH_REQUIRED_RESPONSE_IO_PENDING;
+  auto auth_rv = AuthRequiredResponse::AUTH_REQUIRED_RESPONSE_IO_PENDING;
   PauseIncomingMethodCallProcessing();
 
   OnAuthRequiredComplete(auth_rv);

shell/browser/net/proxying_websocket.h

@@ -12,7 +12,7 @@
 
 #include "base/optional.h"
 #include "components/keyed_service/core/keyed_service_shutdown_notifier.h"
-#include "extensions/browser/api/web_request/web_request_api.h"
+#include "content/public/browser/content_browser_client.h"
 #include "extensions/browser/api/web_request/web_request_info.h"
 #include "mojo/public/cpp/bindings/pending_receiver.h"
 #include "mojo/public/cpp/bindings/receiver.h"
@@ -37,6 +37,21 @@ class ProxyingWebSocket : public network::mojom::WebSocketHandshakeClient,
  public:
   using WebSocketFactory = content::ContentBrowserClient::WebSocketFactory;
 
+  // AuthRequiredResponse indicates how an OnAuthRequired call is handled.
+  enum class AuthRequiredResponse {
+    // No credenitals were provided.
+    AUTH_REQUIRED_RESPONSE_NO_ACTION,
+    // AuthCredentials is filled in with a username and password, which should
+    // be used in a response to the provided auth challenge.
+    AUTH_REQUIRED_RESPONSE_SET_AUTH,
+    // The request should be canceled.
+    AUTH_REQUIRED_RESPONSE_CANCEL_AUTH,
+    // The action will be decided asynchronously. |callback| will be invoked
+    // when the decision is made, and one of the other AuthRequiredResponse
+    // values will be passed in with the same semantics as described above.
+    AUTH_REQUIRED_RESPONSE_IO_PENDING,
+  };
+
   ProxyingWebSocket(
       WebRequestAPI* web_request_api,
       WebSocketFactory factory,
@@ -100,8 +115,7 @@ class ProxyingWebSocket : public network::mojom::WebSocketHandshakeClient,
   void ContinueToStartRequest(int error_code);
   void OnHeadersReceivedComplete(int error_code);
   void ContinueToHeadersReceived();
-  void OnAuthRequiredComplete(
-      extensions::ExtensionWebRequestEventRouter::AuthRequiredResponse rv);
+  void OnAuthRequiredComplete(AuthRequiredResponse rv);
   void OnHeadersReceivedCompleteForAuth(const net::AuthChallengeInfo& auth_info,
                                         int rv);
   void ContinueToCompleted();

shell/common/mac/main_application_bundle.mm

@@ -11,6 +11,7 @@
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "content/common/mac_helpers.h"
+#include "ppapi/buildflags/buildflags.h"
 
 namespace electron {
 
@@ -32,11 +33,13 @@ base::FilePath MainApplicationBundlePath() {
   // Up to Contents.
   if (!HasMainProcessKey() &&
       (base::EndsWith(path.value(), " Helper", base::CompareCase::SENSITIVE) ||
+#if BUILDFLAG(ENABLE_PLUGINS)
+       base::EndsWith(path.value(), content::kMacHelperSuffix_plugin,
+                      base::CompareCase::SENSITIVE) ||
+#endif
        base::EndsWith(path.value(), content::kMacHelperSuffix_renderer,
                       base::CompareCase::SENSITIVE) ||
        base::EndsWith(path.value(), content::kMacHelperSuffix_gpu,
-                      base::CompareCase::SENSITIVE) ||
-       base::EndsWith(path.value(), content::kMacHelperSuffix_plugin,
                       base::CompareCase::SENSITIVE))) {
     // The running executable is the helper. Go up five steps:
     // Contents/Frameworks/Helper.app/Contents/MacOS/Helper

shell/renderer/renderer_client_base.cc

@@ -62,7 +62,7 @@
 
 #if BUILDFLAG(ENABLE_PRINTING)
 #include "components/printing/renderer/print_render_frame_helper.h"
-#include "printing/print_settings.h"
+#include "printing/print_settings.h"  // nogncheck
 #include "shell/renderer/printing/print_render_frame_helper_delegate.h"
 #endif  // BUILDFLAG(ENABLE_PRINTING)
 

shell/utility/electron_content_utility_client.cc

@@ -18,7 +18,7 @@
 
 #if BUILDFLAG(ENABLE_PRINTING)
 #include "components/services/print_compositor/print_compositor_impl.h"
-#include "components/services/print_compositor/public/mojom/print_compositor.mojom.h"
+#include "components/services/print_compositor/public/mojom/print_compositor.mojom.h"  // nogncheck
 
 #if defined(OS_WIN)
 #include "chrome/services/printing/pdf_to_emf_converter_factory.h"