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_mojom_traits.cc b/third_party/blink/common/web_preferences/web_preferences_mojom_traits.cc
index 0f386b68028a8398bdf6b851b16e244e5ba918bd..7a9519c2c172178ace67251151363ac0611e8503 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
@@ -149,6 +149,19 @@ 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 90a6a0bf5c0e2d21f23badb284292a4f0c90178f..4f1b6acaa503cd085ff607d292ad0d4ee6731a56 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"
@@ -425,6 +426,20 @@ struct BLINK_COMMON_EXPORT WebPreferences {
   // blocking user's access to the background web content.
   bool modal_context_menu = true;
 
+  // Begin Electron-specific WebPreferences.
+  bool context_isolation = false;
+  bool is_webview = false;
+  bool hidden_page = false;
+  bool offscreen = false;
+  bool node_integration = false;
+  bool node_integration_in_worker = false;
+  bool node_integration_in_sub_frames = false;
+  bool enable_spellcheck = false;
+  bool enable_plugins = false;
+  bool enable_websql = false;
+  bool webview_tag = false;
+  // End Electron-specific WebPreferences.
+
   // We try to keep the default values the same as the default values in
   // chrome, except for the cases where it would require lots of extra work for
   // the embedder to use the same default value.
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 9960a1180a8e64d6e369936ab93aeb3417af5e8a..3f38e6e1289e1387e5fa54268c8efacda8fc3186 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"
@@ -439,6 +440,52 @@ 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 c3ff064deb240a16f2d9adcb233426fbc4795324..7fd096a61e3dd33de09a25ce2926b010486b2dc2 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
@@ -218,6 +219,19 @@ 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
