Delay bookmarks load while the profile is loading.

chrome/browser/profiles/profile_manager.h

 // 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.
 
 // This class keeps track of the currently-active profiles in the runtime.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_MANAGER_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_MANAGER_H_
 
 #include <list>
@@ skipping 193 matching lines @@
   // Schedules the profile at the given path to be deleted on shutdown.
   void ScheduleProfileForDeletion(const base::FilePath& profile_dir,
                                   chrome::HostDesktopType desktop_type);
 
   // Checks if multiple profiles is enabled.
   static bool IsMultipleProfilesEnabled();
 
   // Autoloads profiles if they are running background apps.
   void AutoloadProfiles();
 
-  // Register and add testing profile to the ProfileManager. Use ONLY in tests.
+  // Registers and adds testing profile to the ProfileManager.
   // This allows the creation of Profiles outside of the standard creation path
-  // for testing. If |addToCache|, add to ProfileInfoCache as well.
-  void RegisterTestingProfile(Profile* profile, bool addToCache);
+  // for testing. If |addToCache|, adds to ProfileInfoCache as well.
+  // If |start_deferred_task_runners|, starts the deferred task runners.
+  // Use ONLY in tests.
+  void RegisterTestingProfile(Profile* profile,
+                              bool addToCache,
+                              bool start_deferred_task_runners);
 
   const base::FilePath& user_data_dir() const { return user_data_dir_; }
 
   // For ChromeOS, determines if the user has logged in to a real profile.
   bool IsLoggedIn() const { return logged_in_; }
 
  protected:
   // Does final initial actions.
   virtual void DoFinalInit(Profile* profile, bool go_off_the_record);
   virtual void DoFinalInitForServices(Profile* profile, bool go_off_the_record);
@@ skipping 143 matching lines @@
 class ProfileManagerWithoutInit : public ProfileManager {
  public:
   explicit ProfileManagerWithoutInit(const base::FilePath& user_data_dir);
 
  protected:
   virtual void DoFinalInitForServices(Profile*, bool) OVERRIDE {}
   virtual void DoFinalInitLogging(Profile*) OVERRIDE {}
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_MANAGER_H_