cc: Remove all blimp code from cc.

cc/blimp/layer_factory.h

-// 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_BLIMP_LAYER_FACTORY_H_
-#define CC_BLIMP_LAYER_FACTORY_H_
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "cc/input/scrollbar.h"
-
-namespace cc {
-class ContentLayerClient;
-class Layer;
-class PictureLayer;
-class SolidColorScrollbarLayer;
-
-// Used to allow tests to inject the Layer created by the
-// CompositorStateDeserializer on the client.
-class LayerFactory {
- public:
-  virtual ~LayerFactory() {}
-
-  virtual scoped_refptr<Layer> CreateLayer(int engine_layer_id) = 0;
-
-  virtual scoped_refptr<PictureLayer> CreatePictureLayer(
-      int engine_layer_id,
-      ContentLayerClient* content_layer_client) = 0;
-
-  virtual scoped_refptr<SolidColorScrollbarLayer>
-  CreateSolidColorScrollbarLayer(int engine_layer_id,
-                                 ScrollbarOrientation orientation,
-                                 int thumb_thickness,
-                                 int track_start,
-                                 bool is_left_side_vertical_scrollbar,
-                                 int scroll_layer_id) = 0;
-
-  // Create layers for testing.
-  virtual scoped_refptr<PictureLayer> CreateFakePictureLayer(
-      int engine_layer_id,
-      ContentLayerClient* content_layer_client) = 0;
-
-  virtual scoped_refptr<Layer> CreatePushPropertiesCountingLayer(
-      int engine_layer_id) = 0;
-};
-
-}  // namespace cc
-
-#endif  // CC_BLIMP_LAYER_FACTORY_H_