cc: Remove AsValue virtual from DisplayItem.

cc/playback/filter_display_item.cc

 // Copyright 2014 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.
 
 #include "cc/playback/filter_display_item.h"
 
 #include <stddef.h>
 
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event_argument.h"
@@ skipping 34 matching lines @@
   boundaries.offset(-origin_.x(), -origin_.y());
 
   SkPaint paint;
   paint.setBlendMode(SkBlendMode::kSrcOver);
   paint.setImageFilter(std::move(image_filter));
   canvas->saveLayer(&boundaries, &paint);
 
   canvas->translate(-origin_.x(), -origin_.y());
 }
 
-void FilterDisplayItem::AsValueInto(
-    const gfx::Rect& visual_rect,
-    base::trace_event::TracedValue* array) const {
-  array->AppendString(base::StringPrintf(
-      "FilterDisplayItem bounds: [%s] visualRect: [%s]",
-      bounds_.ToString().c_str(), visual_rect.ToString().c_str()));
-}
-
 EndFilterDisplayItem::EndFilterDisplayItem() : DisplayItem(END_FILTER) {}
 
 EndFilterDisplayItem::~EndFilterDisplayItem() {}
 
 void EndFilterDisplayItem::Raster(SkCanvas* canvas,
                                   SkPicture::AbortCallback* callback) const {
   canvas->restore();
   canvas->restore();
 }
 
-void EndFilterDisplayItem::AsValueInto(
-    const gfx::Rect& visual_rect,
-    base::trace_event::TracedValue* array) const {
-  array->AppendString(
-      base::StringPrintf("EndFilterDisplayItem  visualRect: [%s]",
-                         visual_rect.ToString().c_str()));
-}
-
 }  // namespace cc