Remove parts of //cc we aren't using

cc/test/fake_content_layer_impl.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_CONTENT_LAYER_IMPL_H_
-#define CC_TEST_FAKE_CONTENT_LAYER_IMPL_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/layers/tiled_layer_impl.h"
-
-namespace cc {
-
-class FakeContentLayerImpl : public TiledLayerImpl {
- public:
-  static scoped_ptr<FakeContentLayerImpl> Create(
-      LayerTreeImpl* tree_impl, int id) {
-    return make_scoped_ptr(new FakeContentLayerImpl(
-        tree_impl, id, new LayerImpl::SyncedScrollOffset));
-  }
-  static scoped_ptr<FakeContentLayerImpl> Create(
-      LayerTreeImpl* tree_impl,
-      int id,
-      scoped_refptr<LayerImpl::SyncedScrollOffset> synced_scroll_offset) {
-    return make_scoped_ptr(
-        new FakeContentLayerImpl(tree_impl, id, synced_scroll_offset));
-  }
-  ~FakeContentLayerImpl() override;
-
-  scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
-
-  bool HaveResourceForTileAt(int i, int j);
-
-  size_t lost_output_surface_count() const {
-    return lost_output_surface_count_;
-  }
-  void reset_lost_output_surface_count() { lost_output_surface_count_ = 0; }
-
-  void ReleaseResources() override;
-
- private:
-  explicit FakeContentLayerImpl(
-      LayerTreeImpl* tree_impl,
-      int id,
-      scoped_refptr<LayerImpl::SyncedScrollOffset> synced_scroll_offset);
-
-  size_t lost_output_surface_count_;
-};
-
-}  // namespace cc
-
-#endif  // CC_TEST_FAKE_CONTENT_LAYER_IMPL_H_