Delay bookmarks load while the profile is loading.

This CL adds a new DeferredSequencedtaskRunner that queues up tasks
until a first call to Start is issued. It creates such a task runner for the 
execution of bookmarks I/O operations. At profile creation, the bookmarks
task runner is stopped and its execution is started after the profile has
finished loading.

BUG=NONE

Review URL: https://chromiumcodereview.appspot.com/12952005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@194956 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 7 insertions, 3 deletions

diff --git a/chrome/browser/profiles/profile_manager.h b/chrome/browser/profiles/profile_manager.h
index a93d457..6cee37b8 100644
--- a/chrome/browser/profiles/profile_manager.h
+++ b/chrome/browser/profiles/profile_manager.h
@@ -211,10 +211,14 @@ class ProfileManager : public base::NonThreadSafe,
   // 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_; }