cc: Remove all blimp code from cc.

cc/playback/compositing_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_COMPOSITING_DISPLAY_ITEM_H_
 #define CC_PLAYBACK_COMPOSITING_DISPLAY_ITEM_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 11 matching lines @@
 
 namespace cc {
 
 class CC_EXPORT CompositingDisplayItem : public DisplayItem {
  public:
   CompositingDisplayItem(uint8_t alpha,
                          SkBlendMode xfermode,
                          SkRect* bounds,
                          sk_sp<SkColorFilter> color_filter,
                          bool lcd_text_requires_opaque_layer);
-  explicit CompositingDisplayItem(const proto::DisplayItem& proto);
   ~CompositingDisplayItem() 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 {
     // TODO(pdr): Include color_filter's memory here.
     return 0;
   }
   int ApproximateOpCount() const { return 1; }
 
  private:
   void SetNew(uint8_t alpha,
               SkBlendMode xfermode,
               SkRect* bounds,
               sk_sp<SkColorFilter> color_filter,
               bool lcd_text_requires_opaque_layer);
 
   uint8_t alpha_;
   SkBlendMode xfermode_;
   bool has_bounds_;
   SkRect bounds_;
   sk_sp<SkColorFilter> color_filter_;
   bool lcd_text_requires_opaque_layer_;
 };
 
 class CC_EXPORT EndCompositingDisplayItem : public DisplayItem {
  public:
   EndCompositingDisplayItem();
-  explicit EndCompositingDisplayItem(const proto::DisplayItem& proto);
   ~EndCompositingDisplayItem() override;
 
   static std::unique_ptr<EndCompositingDisplayItem> Create() {
     return base::MakeUnique<EndCompositingDisplayItem>();
   }
 
-  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;
 
   int ApproximateOpCount() const { return 0; }
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_COMPOSITING_DISPLAY_ITEM_H_