Revert of cc: Shrink size of display item

cc/playback/filter_display_item.h

Index: cc/playback/filter_display_item.h
diff --git a/cc/playback/filter_display_item.h b/cc/playback/filter_display_item.h
index c0a8df993f1f5ca44a02dc383bb7cc66a8ffca2a..94bad210734dab7f810ccf9290d49f1fe9c07fcb 100644
--- a/cc/playback/filter_display_item.h
+++ b/cc/playback/filter_display_item.h
@@ -17,24 +17,20 @@
 
 class CC_EXPORT FilterDisplayItem : public DisplayItem {
  public:
-  FilterDisplayItem(const FilterOperations& filters, const gfx::RectF& bounds);
-  explicit FilterDisplayItem(const proto::DisplayItem& proto);
+  FilterDisplayItem();
   ~FilterDisplayItem() override;
 
+  void SetNew(const FilterOperations& filters, const gfx::RectF& bounds);
+
   void ToProtobuf(proto::DisplayItem* proto) const override;
+  void FromProtobuf(const proto::DisplayItem& proto) override;
   void Raster(SkCanvas* canvas,
               const gfx::Rect& canvas_target_playback_rect,
               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; }
-  bool IsSuitableForGpuRasterization() const { return true; }
 
  private:
-  void SetNew(const FilterOperations& filters, const gfx::RectF& bounds);
-
   FilterOperations filters_;
   gfx::RectF bounds_;
 };
@@ -42,7 +38,6 @@
 class CC_EXPORT EndFilterDisplayItem : public DisplayItem {
  public:
   EndFilterDisplayItem();
-  explicit EndFilterDisplayItem(const proto::DisplayItem& proto);
   ~EndFilterDisplayItem() override;
 
   static scoped_ptr<EndFilterDisplayItem> Create() {
@@ -50,15 +45,12 @@
   }
 
   void ToProtobuf(proto::DisplayItem* proto) const override;
+  void FromProtobuf(const proto::DisplayItem& proto) override;
   void Raster(SkCanvas* canvas,
               const gfx::Rect& canvas_target_playback_rect,
               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; }
-  bool IsSuitableForGpuRasterization() const { return true; }
 };
 
 }  // namespace cc