From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Andy Locascio <andy@slack-corp.com>
Date: Wed, 6 May 2020 16:37:54 -0700
Subject: allow in-process windows to have different web prefs

Allow earlier access to newly created WebContents so that we can change
WebPreferences of in-process child windows, rather than relying on
process-level command line switches, as before.

diff --git a/third_party/blink/common/web_preferences/web_preferences.cc b/third_party/blink/common/web_preferences/web_preferences.cc
index 4f332fd867bed29f084891e5f2b281f5c99c011b..f63fda73d2b3337de60d23caacd9a0f0ae77364e 100644
--- a/third_party/blink/common/web_preferences/web_preferences.cc
+++ b/third_party/blink/common/web_preferences/web_preferences.cc
@@ -146,6 +146,19 @@ WebPreferences::WebPreferences()
       v8_cache_options(blink::mojom::V8CacheOptions::kDefault),
       record_whole_document(false),
       stylus_handwriting_enabled(false),
+      // Begin Electron-specific WebPreferences.
+      context_isolation(false),
+      is_webview(false),
+      hidden_page(false),
+      offscreen(false),
+      node_integration(false),
+      node_integration_in_worker(false),
+      node_integration_in_sub_frames(false),
+      enable_spellcheck(false),
+      enable_plugins(false),
+      enable_websql(false),
+      webview_tag(false),
+      // End Electron-specific WebPreferences.
       cookie_enabled(true),
       accelerated_video_decode_enabled(false),
       animation_policy(
diff --git a/third_party/blink/common/web_preferences/web_preferences_mojom_traits.cc b/third_party/blink/common/web_preferences/web_preferences_mojom_traits.cc
index 62b6af4669061757f3f707859f0296fd6c49bade..cbeece7a75f8c7a7169ea6b768bf0a056c849ee6 100644
--- a/third_party/blink/common/web_preferences/web_preferences_mojom_traits.cc
+++ b/third_party/blink/common/web_preferences/web_preferences_mojom_traits.cc
@@ -150,6 +150,19 @@ bool StructTraits<blink::mojom::WebPreferencesDataView,
   out->v8_cache_options = data.v8_cache_options();
   out->record_whole_document = data.record_whole_document();
   out->stylus_handwriting_enabled = data.stylus_handwriting_enabled();
+  // Begin Electron-specific WebPreferences.
+  out->context_isolation = data.context_isolation();
+  out->is_webview = data.is_webview();
+  out->hidden_page = data.hidden_page();
+  out->offscreen = data.offscreen();
+  out->node_integration = data.node_integration();
+  out->node_integration_in_worker = data.node_integration_in_worker();
+  out->node_integration_in_sub_frames = data.node_integration_in_sub_frames();
+  out->enable_spellcheck = data.enable_spellcheck();
+  out->enable_plugins = data.enable_plugins();
+  out->enable_websql = data.enable_websql();
+  out->webview_tag = data.webview_tag();
+  // End Electron-specific WebPreferences.
   out->cookie_enabled = data.cookie_enabled();
   out->accelerated_video_decode_enabled =
       data.accelerated_video_decode_enabled();
diff --git a/third_party/blink/public/common/web_preferences/web_preferences.h b/third_party/blink/public/common/web_preferences/web_preferences.h
index 8821fe095126feef49e50b87b84c29d1fa956a9b..61565991cc66a31e428cdf3fb0f457db08aaa901 100644
--- a/third_party/blink/public/common/web_preferences/web_preferences.h
+++ b/third_party/blink/public/common/web_preferences/web_preferences.h
@@ -10,6 +10,7 @@
 #include <vector>
 
 #include "build/build_config.h"
+#include "base/files/file_path.h"
 #include "net/nqe/effective_connection_type.h"
 #include "third_party/blink/public/common/common_export.h"
 #include "third_party/blink/public/mojom/css/preferred_color_scheme.mojom-shared.h"
@@ -161,6 +162,19 @@ struct BLINK_COMMON_EXPORT WebPreferences {
   // If true, stylus handwriting recognition to text input will be available in
   // editable input fields which are non-password type.
   bool stylus_handwriting_enabled;
+  // Begin Electron-specific WebPreferences.
+  bool context_isolation;
+  bool is_webview;
+  bool hidden_page;
+  bool offscreen;
+  bool node_integration;
+  bool node_integration_in_worker;
+  bool node_integration_in_sub_frames;
+  bool enable_spellcheck;
+  bool enable_plugins;
+  bool enable_websql;
+  bool webview_tag;
+  // End Electron-specific WebPreferences.
 
   // This flags corresponds to a Page's Settings' setCookieEnabled state. It
   // only controls whether or not the "document.cookie" field is properly
diff --git a/third_party/blink/public/common/web_preferences/web_preferences_mojom_traits.h b/third_party/blink/public/common/web_preferences/web_preferences_mojom_traits.h
index 4e95e23afe936cb87b4390a977c69b1b8263335c..bec35f10856c982febf45dcc3a2ee651f5bf4fed 100644
--- a/third_party/blink/public/common/web_preferences/web_preferences_mojom_traits.h
+++ b/third_party/blink/public/common/web_preferences/web_preferences_mojom_traits.h
@@ -6,6 +6,7 @@
 #define THIRD_PARTY_BLINK_PUBLIC_COMMON_WEB_PREFERENCES_WEB_PREFERENCES_MOJOM_TRAITS_H_
 
 #include "build/build_config.h"
+#include "mojo/public/cpp/base/file_path_mojom_traits.h"
 #include "mojo/public/cpp/bindings/struct_traits.h"
 #include "net/nqe/effective_connection_type.h"
 #include "third_party/blink/public/common/common_export.h"
@@ -448,6 +449,52 @@ struct BLINK_COMMON_EXPORT StructTraits<blink::mojom::WebPreferencesDataView,
     return r.stylus_handwriting_enabled;
   }
 
+  // Begin Electron-specific WebPreferences.
+  static bool context_isolation(const blink::web_pref::WebPreferences& r) {
+    return r.context_isolation;
+  }
+
+  static int is_webview(const blink::web_pref::WebPreferences& r) {
+    return r.is_webview;
+  }
+
+  static bool hidden_page(const blink::web_pref::WebPreferences& r) {
+    return r.hidden_page;
+  }
+
+  static bool offscreen(const blink::web_pref::WebPreferences& r) {
+    return r.offscreen;
+  }
+
+  static bool node_integration(const blink::web_pref::WebPreferences& r) {
+    return r.node_integration;
+  }
+
+  static bool node_integration_in_worker(const blink::web_pref::WebPreferences& r) {
+    return r.node_integration_in_worker;
+  }
+
+  static bool node_integration_in_sub_frames(const blink::web_pref::WebPreferences& r) {
+    return r.node_integration_in_sub_frames;
+  }
+
+  static bool enable_spellcheck(const blink::web_pref::WebPreferences& r) {
+    return r.enable_spellcheck;
+  }
+
+  static bool enable_plugins(const blink::web_pref::WebPreferences& r) {
+    return r.enable_plugins;
+  }
+
+  static bool enable_websql(const blink::web_pref::WebPreferences& r) {
+    return r.enable_websql;
+  }
+
+  static bool webview_tag(const blink::web_pref::WebPreferences& r) {
+    return r.webview_tag;
+  }
+  // End Electron-specific WebPreferences.
+
   static bool cookie_enabled(const blink::web_pref::WebPreferences& r) {
     return r.cookie_enabled;
   }
diff --git a/third_party/blink/public/mojom/webpreferences/web_preferences.mojom b/third_party/blink/public/mojom/webpreferences/web_preferences.mojom
index fce47861fbbcba4a50870ff99ef1263b22a573d7..02d0118e94058047fe6fa1ae1e68bdbf6fe2d752 100644
--- a/third_party/blink/public/mojom/webpreferences/web_preferences.mojom
+++ b/third_party/blink/public/mojom/webpreferences/web_preferences.mojom
@@ -9,6 +9,7 @@ import "third_party/blink/public/mojom/css/preferred_contrast.mojom";
 import "third_party/blink/public/mojom/v8_cache_options.mojom";
 import "url/mojom/url.mojom";
 import "mojo/public/mojom/base/string16.mojom";
+import "mojo/public/mojom/base/file_path.mojom";
 
 enum PointerType {
   kPointerNone                              = 1,             // 1 << 0
@@ -220,6 +221,19 @@ struct WebPreferences {
   // If true, stylus handwriting recognition to text input will be available in
   // editable input fields which are non-password type.
   bool stylus_handwriting_enabled;
+  // Begin Electron-specific WebPreferences.
+  bool context_isolation;
+  bool is_webview;
+  bool hidden_page;
+  bool offscreen;
+  bool node_integration;
+  bool node_integration_in_worker;
+  bool node_integration_in_sub_frames;
+  bool enable_spellcheck;
+  bool enable_plugins;
+  bool enable_websql;
+  bool webview_tag;
+  // End Electron-specific WebPreferences.
 
   // This flags corresponds to a Page's Settings' setCookieEnabled state. It
   // only controls whether or not the "document.cookie" field is properly