Stop disabling force_compositing_mode for background RenderViews.

content/public/browser/content_browser_client.cc

 // Copyright (c) 2012 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 "content/public/browser/content_browser_client.h"
 
 #include "base/files/file_path.h"
 #include "ui/gfx/image/image_skia.h"
 #include "url/gurl.h"
 
@@ skipping 237 matching lines @@
 }
 
 AccessTokenStore* ContentBrowserClient::CreateAccessTokenStore() {
   return NULL;
 }
 
 bool ContentBrowserClient::IsFastShutdownPossible() {
   return true;
 }
 
+bool ContentBrowserClient::IsRenderViewHostForBackground(
+    RenderViewHost* render_view_host) {
+  return false;
+}
+
 base::FilePath ContentBrowserClient::GetDefaultDownloadDirectory() {
   return base::FilePath();
 }
 
 std::string ContentBrowserClient::GetDefaultDownloadName() {
   return std::string();
 }
 
 BrowserPpapiHost*
     ContentBrowserClient::GetExternalBrowserPpapiHost(int plugin_process_id) {
@@ skipping 41 matching lines @@
 bool ContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs() {
   return false;
 }
 
 net::CookieStore* ContentBrowserClient::OverrideCookieStoreForRenderProcess(
     int render_process_id) {
   return NULL;
 }
 
 }  // namespace content