[blimp] Add SkPicture caching support.

cc/playback/clip_path_display_item.h

 // Copyright 2015 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_PLAYBACK_CLIP_PATH_DISPLAY_ITEM_H_
 #define CC_PLAYBACK_CLIP_PATH_DISPLAY_ITEM_H_
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "cc/base/cc_export.h"
 #include "cc/playback/display_item.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkRegion.h"
 
 class SkCanvas;
 
 namespace cc {
-class ImageSerializationProcessor;
 
 class CC_EXPORT ClipPathDisplayItem : public DisplayItem {
  public:
   ClipPathDisplayItem(const SkPath& path, SkRegion::Op clip_op, bool antialias);
   explicit ClipPathDisplayItem(const proto::DisplayItem& proto);
   ~ClipPathDisplayItem() override;
 
-  void ToProtobuf(proto::DisplayItem* proto,
-                  ImageSerializationProcessor* image_serialization_processor)
-      const override;
+  void ToProtobuf(proto::DisplayItem* proto) const override;
   void Raster(SkCanvas* canvas,
               SkPicture::AbortCallback* callback) const override;
   void AsValueInto(const gfx::Rect& visual_rect,
                    base::trace_event::TracedValue* array) const override;
   size_t ExternalMemoryUsage() const override;
 
   int ApproximateOpCount() const { return 1; }
 
  private:
   void SetNew(const SkPath& path, SkRegion::Op clip_op, bool antialias);
 
   SkPath clip_path_;
   SkRegion::Op clip_op_;
   bool antialias_;
 };
 
 class CC_EXPORT EndClipPathDisplayItem : public DisplayItem {
  public:
   EndClipPathDisplayItem();
   explicit EndClipPathDisplayItem(const proto::DisplayItem& proto);
   ~EndClipPathDisplayItem() override;
 
   static std::unique_ptr<EndClipPathDisplayItem> Create() {
     return base::WrapUnique(new EndClipPathDisplayItem());
   }
 
-  void ToProtobuf(proto::DisplayItem* proto,
-                  ImageSerializationProcessor* image_serialization_processor)
-      const override;
+  void ToProtobuf(proto::DisplayItem* proto) const override;
   void Raster(SkCanvas* canvas,
               SkPicture::AbortCallback* callback) const override;
   void AsValueInto(const gfx::Rect& visual_rect,
                    base::trace_event::TracedValue* array) const override;
   size_t ExternalMemoryUsage() const override;
 
   int ApproximateOpCount() const { return 0; }
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_CLIP_PATH_DISPLAY_ITEM_H_