cc: Refactor TileTaskWorkerPool.

cc/test/fake_raster_buffer_provider.cc

+// 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.
+
+#include "cc/test/fake_raster_buffer_provider.h"
+
+namespace cc {
+
+FakeRasterBufferProviderImpl::FakeRasterBufferProviderImpl() {}
+FakeRasterBufferProviderImpl::~FakeRasterBufferProviderImpl() {}
+
+std::unique_ptr<RasterBuffer>
+FakeRasterBufferProviderImpl::AcquireBufferForRaster(
+    const Resource* resource,
+    uint64_t resource_content_id,
+    uint64_t previous_content_id) {
+  return nullptr;
+}
+void FakeRasterBufferProviderImpl::ReleaseBufferForRaster(
+    std::unique_ptr<RasterBuffer> buffer) {}
+void FakeRasterBufferProviderImpl::BarrierToSyncResources() {}
+ResourceFormat FakeRasterBufferProviderImpl::GetResourceFormat(
+    bool must_support_alpha) const {
+  return ResourceFormat::RGBA_8888;
+}
+bool FakeRasterBufferProviderImpl::GetResourceRequiresSwizzle(
+    bool must_support_alpha) const {
+  return ResourceFormatRequiresSwizzle(GetResourceFormat(must_support_alpha));
+}
+
+}  // namespace cc