cc: Break up with FakeLayerTreeHostClient.

cc/test/stub_layer_tree_host_client.h

-// Copyright 2012 The Chromium Authors. All rights reserved.
+// 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_LAYER_TREE_HOST_CLIENT_H_
-#define CC_TEST_FAKE_LAYER_TREE_HOST_CLIENT_H_
+#ifndef CC_TEST_STUB_LAYER_TREE_HOST_CLIENT_H_
+#define CC_TEST_STUB_LAYER_TREE_HOST_CLIENT_H_
 
-#include <memory>
-
-#include "cc/input/input_handler.h"
-#include "cc/test/test_context_provider.h"
 #include "cc/trees/layer_tree_host_client.h"
-#include "cc/trees/layer_tree_host_single_thread_client.h"
 
 namespace cc {
-class OutputSurface;
 
-class FakeLayerTreeHostClient : public LayerTreeHostClient,
-                                public LayerTreeHostSingleThreadClient {
+class StubLayerTreeHostClient : public LayerTreeHostClient {
  public:
-  FakeLayerTreeHostClient();
-  ~FakeLayerTreeHostClient() override;
-
-  // Caller responsible for unsetting this and maintaining the host's lifetime.
-  void SetLayerTreeHost(LayerTreeHost* host) { host_ = host; }
+  ~StubLayerTreeHostClient() override;
 
   // LayerTreeHostClient implementation.
   void WillBeginMainFrame() override {}
   void DidBeginMainFrame() override {}
   void BeginMainFrame(const BeginFrameArgs& args) override {}
   void BeginMainFrameNotExpectedSoon() override {}
   void UpdateLayerTreeHost() override {}
   void ApplyViewportDeltas(const gfx::Vector2dF& inner_delta,
                            const gfx::Vector2dF& outer_delta,
                            const gfx::Vector2dF& elastic_overscroll_delta,
                            float page_scale,
                            float top_controls_delta) override {}
-  void RequestNewOutputSurface() override;
+  void RequestNewOutputSurface() override {}
   void DidInitializeOutputSurface() override {}
-  void DidFailToInitializeOutputSurface() override;
+  void DidFailToInitializeOutputSurface() override {}
   void WillCommit() override {}
   void DidCommit() override {}
   void DidCommitAndDrawFrame() override {}
   void DidCompleteSwapBuffers() override {}
   void DidCompletePageScaleAnimation() override {}
-
-  // LayerTreeHostSingleThreadClient implementation.
-  void DidPostSwapBuffers() override {}
-  void DidAbortSwapBuffers() override {}
-
- private:
-  LayerTreeHost* host_ = nullptr;
 };
 
 }  // namespace cc
 
-#endif  // CC_TEST_FAKE_LAYER_TREE_HOST_CLIENT_H_
+#endif  // CC_TEST_STUB_LAYER_TREE_HOST_CLIENT_H_