Set extension-related webkit preferences in a common location.

chrome/browser/tab_contents/render_view_host_delegate_helper.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/tab_contents/render_view_host_delegate_helper.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/background/background_contents_service.h"
 #include "chrome/browser/background/background_contents_service_factory.h"
 #include "chrome/browser/chrome_content_browser_client.h"
 #include "chrome/browser/character_encoding.h"
+#include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_webkit_preferences.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/background_contents.h"
 #include "chrome/browser/user_style_sheet_watcher.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
+#include "content/browser/child_process_security_policy.h"
 #include "content/browser/gpu/gpu_data_manager.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/render_process_host.h"
 #include "content/browser/renderer_host/render_widget_fullscreen_host.h"
 #include "content/browser/renderer_host/render_widget_host.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #include "content/browser/site_instance.h"
 #include "content/browser/tab_contents/navigation_details.h"
 #include "content/browser/tab_contents/tab_contents.h"
@@ skipping 283 matching lines @@
     tab_contents->delegate()->RenderWidgetShowing();
 
   RenderWidgetHostView* widget_host_view = GetCreatedWidget(route_id);
   widget_host_view->InitAsFullscreen(tab_contents->GetRenderWidgetHostView());
   widget_host_view->GetRenderWidgetHost()->Init();
   return widget_host_view;
 }
 
 // static
 WebPreferences RenderViewHostDelegateHelper::GetWebkitPrefs(
-    content::BrowserContext* browser_context, bool is_web_ui) {
-  Profile* profile = Profile::FromBrowserContext(browser_context);
+    RenderViewHost* rvh) {
+  Profile* profile = Profile::FromBrowserContext(
+      rvh->process()->browser_context());
   PrefService* prefs = profile->GetPrefs();
   WebPreferences web_prefs;
 
   web_prefs.standard_font_family =
       UTF8ToUTF16(prefs->GetString(prefs::kWebKitStandardFontFamily));
   web_prefs.fixed_font_family =
       UTF8ToUTF16(prefs->GetString(prefs::kWebKitFixedFontFamily));
   web_prefs.serif_font_family =
       UTF8ToUTF16(prefs->GetString(prefs::kWebKitSerifFontFamily));
   web_prefs.sans_serif_font_family =
@@ skipping 177 matching lines @@
   // Make sure we will set the default_encoding with canonical encoding name.
   web_prefs.default_encoding =
       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
           web_prefs.default_encoding);
   if (web_prefs.default_encoding.empty()) {
     prefs->ClearPref(prefs::kDefaultCharset);
     web_prefs.default_encoding = prefs->GetString(prefs::kDefaultCharset);
   }
   DCHECK(!web_prefs.default_encoding.empty());
 
-  if (is_web_ui) {
+  if (ChildProcessSecurityPolicy::GetInstance()->HasWebUIBindings(
+          rvh->process()->id())) {
     web_prefs.loads_images_automatically = true;
     web_prefs.javascript_enabled = true;
   }
 
   web_prefs.is_online = !net::NetworkChangeNotifier::IsOffline();
 
+  ExtensionProcessManager* extension_process_manager =
+      profile->GetExtensionProcessManager();
+  if (extension_process_manager) {
+    const Extension* extension =
+        extension_process_manager->GetExtensionForSiteInstance(
+            rvh->site_instance()->id());
+    extension_webkit_preferences::SetPreferences(&web_prefs, extension);
+  }
+
   return web_prefs;
 }
 
 void RenderViewHostDelegateHelper::UpdateInspectorSetting(
     content::BrowserContext* browser_context,
     const std::string& key,
     const std::string& value) {
   DictionaryPrefUpdate update(
       Profile::FromBrowserContext(browser_context)->GetPrefs(),
       prefs::kWebKitInspectorSettings);
   DictionaryValue* inspector_settings = update.Get();
   inspector_settings->SetWithoutPathExpansion(key,
                                               Value::CreateStringValue(value));
 }
 
 void RenderViewHostDelegateHelper::ClearInspectorSettings(
     content::BrowserContext* browser_context) {
   Profile::FromBrowserContext(browser_context)->GetPrefs()->
       ClearPref(prefs::kWebKitInspectorSettings);
 }