Remove parts of //cc we aren't using

cc/test/fake_layer_tree_host_client.h

-// Copyright 2012 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_
-
-#include "base/memory/scoped_ptr.h"
-#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 {
- public:
-  enum RendererOptions {
-    DIRECT_3D,
-    DIRECT_SOFTWARE,
-    DELEGATED_3D,
-    DELEGATED_SOFTWARE
-  };
-  explicit FakeLayerTreeHostClient(RendererOptions options);
-  ~FakeLayerTreeHostClient() override;
-
-  // Caller responsible for unsetting this and maintaining the host's lifetime.
-  void SetLayerTreeHost(LayerTreeHost* host) { host_ = host; }
-
-  // LayerTreeHostClient implementation.
-  void WillBeginMainFrame() override {}
-  void DidBeginMainFrame() override {}
-  void BeginMainFrame(const BeginFrameArgs& args) override {}
-  void BeginMainFrameNotExpectedSoon() override {}
-  void Layout() 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 ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
-                           float page_scale,
-                           float top_controls_delta) override {}
-
-  void RequestNewOutputSurface() override;
-  void DidInitializeOutputSurface() 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:
-  bool use_software_rendering_;
-  bool use_delegating_renderer_;
-
-  LayerTreeHost* host_;
-};
-
-}  // namespace cc
-
-#endif  // CC_TEST_FAKE_LAYER_TREE_HOST_CLIENT_H_