cc: Remove AsValue virtual from DisplayItem.

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 6cc77a0dccadec378344489538faeecd845007f8..054fed5e53d27b7b7e32170f8822d828aeb381e5 100644
--- a/cc/playback/filter_display_item.h
+++ b/cc/playback/filter_display_item.h
@@ -28,8 +28,6 @@ class CC_EXPORT FilterDisplayItem : public DisplayItem {
 
   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 {
     // FilterOperations doesn't expose its capacity, but size is probably good
@@ -38,6 +36,8 @@ class CC_EXPORT FilterDisplayItem : public DisplayItem {
   }
   int ApproximateOpCount() const { return 1; }
 
+  const gfx::RectF& bounds() const { return bounds_; }
+
  private:
   void SetNew(const FilterOperations& filters,
               const gfx::RectF& bounds,
@@ -59,8 +59,6 @@ class CC_EXPORT EndFilterDisplayItem : public DisplayItem {
 
   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; }
 };