cc: Refactor TileTaskWorkerPool.

cc/test/fake_raster_buffer_provider.h

+// Copyright 2016 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.
+
+#ifndef CC_TEST_FAKE_RASTER_BUFFER_PROVIDER_H_
+#define CC_TEST_FAKE_RASTER_BUFFER_PROVIDER_H_
+
+#include "cc/raster/raster_buffer_provider.h"
+
+namespace cc {
+
+// Fake RasterBufferProvider that just no-ops all calls.
+class FakeRasterBufferProviderImpl : public RasterBufferProvider {
+ public:
+  FakeRasterBufferProviderImpl();
+  ~FakeRasterBufferProviderImpl() override;
+
+  // RasterBufferProvider methods.
+  std::unique_ptr<RasterBuffer> AcquireBufferForRaster(
+      const Resource* resource,
+      uint64_t resource_content_id,
+      uint64_t previous_content_id) override;
+  void ReleaseBufferForRaster(std::unique_ptr<RasterBuffer> buffer) override;
+  void OrderingBarrier() override;
+  ResourceFormat GetResourceFormat(bool must_support_alpha) const override;
+  bool GetResourceRequiresSwizzle(bool must_support_alpha) const override;
+  void Shutdown() override;
+};
+
+}  // namespace cc
+
+#endif  // CC_TEST_FAKE_RASTER_BUFFER_PROVIDER_H_