Fork cc::OutputSurface into cc::CompositorFrameSink.

cc/test/fake_compositor_frame_sink_client.cc

+// Copyright 2013 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/output/compositor_frame_sink.h"
+#include "cc/test/fake_compositor_frame_sink_client.h"
+
+namespace cc {
+
+void FakeCompositorFrameSinkClient::DidSwapBuffersComplete() {
+  swap_count_++;
+}
+
+void FakeCompositorFrameSinkClient::DidLoseCompositorFrameSink() {
+  did_lose_compositor_frame_sink_called_ = true;
+}
+
+void FakeCompositorFrameSinkClient::SetMemoryPolicy(
+    const ManagedMemoryPolicy& policy) {
+  memory_policy_ = policy;
+}
+
+}  // namespace cc