Revert "Currently, base/timer.cc calls PostTask with FROM_HERE as the Location,

chrome/browser/sync/profile_sync_service.cc

 // Copyright (c) 2011 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/sync/profile_sync_service.h"
 
 #include <stddef.h>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 464 matching lines @@
   gaia_password_.clear();
   pending_types_for_encryption_.clear();
   set_backend_encrypted_types_ = false;
   passphrase_required_reason_ = sync_api::REASON_PASSPHRASE_NOT_REQUIRED;
   last_attempted_user_email_.clear();
   last_auth_error_ = GoogleServiceAuthError::None();
 }
 
 void ProfileSyncService::ClearServerData() {
   clear_server_data_state_ = CLEAR_CLEARING;
-  clear_server_data_timer_.Start(FROM_HERE,
+  clear_server_data_timer_.Start(
       base::TimeDelta::FromSeconds(kSyncClearDataTimeoutInSeconds), this,
       &ProfileSyncService::OnClearServerDataTimeout);
   backend_->RequestClearServerData();
 }
 
 void ProfileSyncService::DisableForUser() {
   // Clear prefs (including SyncSetupHasCompleted) before shutting down so
   // PSS clients don't think we're set up while we're shutting down.
   ClearPreferences();
   Shutdown(true);
@@ skipping 1091 matching lines @@
             *profile_->GetPrefs()->GetList(prefs::kAcknowledgedSyncTypes));
     syncable::ModelTypeSet registered;
     GetRegisteredDataTypes(&registered);
     syncable::ModelTypeBitSet registered_bit_set =
         syncable::ModelTypeBitSetFromSet(registered);
     unacknowledged = registered_bit_set & ~acknowledged;
   }
   return unacknowledged;
 }