Set extension-related webkit preferences in a common location.

chrome/browser/tab_contents/background_contents.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/background_contents.h"
 
 #include "chrome/browser/background/background_contents_service.h"
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_preferences_util.h"
@@ skipping 167 matching lines @@
 
 RendererPreferences BackgroundContents::GetRendererPrefs(
     content::BrowserContext* browser_context) const {
   Profile* profile = Profile::FromBrowserContext(browser_context);
   RendererPreferences preferences;
   renderer_preferences_util::UpdateFromSystemSettings(&preferences, profile);
   return preferences;
 }
 
 WebPreferences BackgroundContents::GetWebkitPrefs() {
-  // TODO(rafaelw): Consider enabling the webkit_prefs.dom_paste_enabled for
-  // apps.
-  Profile* profile = Profile::FromBrowserContext(
-      render_view_host_->process()->browser_context());
-  WebPreferences prefs = RenderViewHostDelegateHelper::GetWebkitPrefs(profile,
-                                                                      false);
+  WebPreferences prefs =
+      RenderViewHostDelegateHelper::GetWebkitPrefs(render_view_host_);
+
   // Disable all kinds of acceleration for background pages.
   // See http://crbug.com/96005 and http://crbug.com/96006
   prefs.force_compositing_mode = false;
   prefs.accelerated_compositing_enabled = false;
   prefs.accelerated_2d_canvas_enabled = false;
   prefs.accelerated_video_enabled = false;
   prefs.accelerated_drawing_enabled = false;
   prefs.accelerated_plugins_enabled = false;
 
   return prefs;
@@ skipping 45 matching lines @@
 BackgroundContents*
 BackgroundContents::GetBackgroundContentsByID(int render_process_id,
                                               int render_view_id) {
   RenderViewHost* render_view_host =
       RenderViewHost::FromID(render_process_id, render_view_id);
   if (!render_view_host)
     return NULL;
 
   return render_view_host->delegate()->GetAsBackgroundContents();
 }