cc: Allocate resources on worker context.

cc/raster/gpu_raster_buffer_provider.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 "cc/raster/gpu_raster_buffer_provider.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 
@@ skipping 263 matching lines @@
                   use_distance_field_text_, msaa_sample_count_);
 
   const uint64_t fence_sync = gl->InsertFenceSyncCHROMIUM();
 
   // Barrier to sync worker context output to cc context.
   gl->OrderingBarrierCHROMIUM();
 
   // Generate sync token after the barrier for cross context synchronization.
   gpu::SyncToken resource_sync_token;
   gl->GenUnverifiedSyncTokenCHROMIUM(fence_sync, resource_sync_token.GetData());
-  resource_lock->set_sync_token(resource_sync_token);
-  resource_lock->set_synchronized(!async_worker_context_enabled_);
+  resource_lock->UpdateSyncToken(resource_sync_token);
 }
 
 }  // namespace cc