[Mac] Maximise timer slack for background tabs

chrome/browser/ui/tab_helpers.cc

 // Copyright 2014 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/ui/tab_helpers.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/history/history_tab_helper.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/net/net_error_tab_helper.h"
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
 #include "chrome/browser/prerender/prerender_tab_helper.h"
+#include "chrome/browser/resource_throttle.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/ssl/ssl_tab_helper.h"
 #include "chrome/browser/tab_contents/navigation_metrics_recorder.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/ui/autofill/tab_autofill_manager_delegate.h"
 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
 #include "chrome/browser/ui/navigation_correction_tab_observer.h"
 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
@@ skipping 79 matching lines @@
   extensions::SetViewType(web_contents, extensions::VIEW_TYPE_TAB_CONTENTS);
 
   // Create all the tab helpers.
 
   // SessionTabHelper comes first because it sets up the tab ID, and other
   // helpers may rely on that.
   SessionTabHelper::CreateForWebContents(web_contents);
 
   // --- Common tab helpers ---
 
+  ResourceThrottle::CreateForWebContents(web_contents);

[Avi (use Gerrit), 2014/05/20 14:41:39]

Alphabetically, please!

   autofill::TabAutofillManagerDelegate::CreateForWebContents(web_contents);
   autofill::ContentAutofillDriver::CreateForWebContentsAndDelegate(
       web_contents,
       autofill::TabAutofillManagerDelegate::FromWebContents(web_contents),
       g_browser_process->GetApplicationLocale(),
       autofill::AutofillManager::ENABLE_AUTOFILL_DOWNLOAD_MANAGER);
   BookmarkTabHelper::CreateForWebContents(web_contents);
   chrome_browser_net::NetErrorTabHelper::CreateForWebContents(web_contents);
   ChromePasswordManagerClient::CreateForWebContentsWithAutofillManagerDelegate(
       web_contents,
@@ skipping 74 matching lines @@
   if (OneClickSigninHelper::CanOffer(web_contents,
                                      OneClickSigninHelper::CAN_OFFER_FOR_ALL,
                                      std::string(),
                                      NULL)) {
     OneClickSigninHelper::CreateForWebContentsWithPasswordManager(
         web_contents,
         ChromePasswordManagerClient::GetManagerFromWebContents(web_contents));
   }
 #endif
 }