gpu: GPU service scheduler.

cc/raster/one_copy_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/one_copy_raster_buffer_provider.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 122 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 OneCopyRasterBufferProvider::Flush() {
+  worker_context_provider_->ContextSupport()->EnsureWorkVisibleAsync();
+}
+
 ResourceFormat OneCopyRasterBufferProvider::GetResourceFormat(
     bool must_support_alpha) const {
   if (resource_provider_->IsTextureFormatSupported(preferred_tile_format_) &&
       (DoesResourceFormatSupportAlpha(preferred_tile_format_) ||
        !must_support_alpha)) {
     return preferred_tile_format_;
   }
 
   return resource_provider_->best_texture_format();
 }
@@ skipping 271 matching lines @@
   resource_lock->set_synchronized(!async_worker_context_enabled_);
 }
 
 gfx::BufferUsage OneCopyRasterBufferProvider::StagingBufferUsage() const {
   return use_partial_raster_
              ? gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT
              : gfx::BufferUsage::GPU_READ_CPU_READ_WRITE;
 }
 
 }  // namespace cc