gpu: GPU service scheduler.

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 157 matching lines @@
            gl->GetGraphicsResetStatusKHR() != GL_NO_ERROR);
 
     for (RasterBufferImpl* buffer : pending_raster_buffers_)
       buffer->set_sync_token(sync_token);
   } else {
     gl->OrderingBarrierCHROMIUM();
   }
   pending_raster_buffers_.clear();
 }
 
+void GpuRasterBufferProvider::Flush() {
+  worker_context_provider_->ContextSupport()->EnsureWorkVisibleAsync();
+}
+
 ResourceFormat GpuRasterBufferProvider::GetResourceFormat(
     bool must_support_alpha) const {
   if (resource_provider_->IsRenderBufferFormatSupported(
           preferred_tile_format_) &&
       (DoesResourceFormatSupportAlpha(preferred_tile_format_) ||
        !must_support_alpha)) {
     return preferred_tile_format_;
   }
 
   return resource_provider_->best_render_buffer_format();
@@ skipping 91 matching lines @@
   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_);
 }
 
 }  // namespace cc