[SyncFS] Clean up SyncTaskManager::ScheduleTask impl

 * Unify SyncTaskManager::ScheduleTask implementation into ScheduleSyncTask.

BUG=344769

Review URL: https://codereview.chromium.org/189623013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256211 0039d316-1c4b-4281-b951-d872f2087c98
Add ResourceType::IsServiceWorker(type)

BUG=285976

Review URL: https://codereview.chromium.org/192663002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256212 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256211
Move ProfileSyncService away from listening for Signin notifications.

As part of the effort to remove Signin-related notifications, move
ProfileSyncService to observe the SigninManager instead.

BUG=345627
R=zea@chromium.org

Review URL: https://codereview.chromium.org/189163007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256213 0039d316-1c4b-4281-b951-d872f2087c98
Suppress a data race in VP9 change_state vs thread_loop (issue 350982)
under both TSan v1 and TSan v2.

BUG=350982
TBR=timurrrr@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/194573003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256214 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256214