Fork cc::OutputSurface into cc::CompositorFrameSink.

cc/test/fake_compositor_frame_sink_client.cc

Index: cc/test/fake_compositor_frame_sink_client.cc
diff --git a/cc/test/fake_compositor_frame_sink_client.cc b/cc/test/fake_compositor_frame_sink_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0e7ad846539f74e2190e2e0a86cfca9b5f26876f
--- /dev/null
+++ b/cc/test/fake_compositor_frame_sink_client.cc
@@ -0,0 +1,23 @@
+// 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