Update from https://crrev.com/314320

cc/resources/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/resources/filter_display_item.h"
 
+#include "base/strings/stringprintf.h"
+#include "base/trace_event/trace_event_argument.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkXfermode.h"
 #include "ui/gfx/skia_util.h"
 
 namespace cc {
 
 FilterDisplayItem::FilterDisplayItem(skia::RefPtr<SkImageFilter> filter,
                                      gfx::RectF bounds)
@@ skipping 24 matching lines @@
 }
 
 int FilterDisplayItem::ApproximateOpCount() const {
   return 1;
 }
 
 size_t FilterDisplayItem::PictureMemoryUsage() const {
   return sizeof(skia::RefPtr<SkImageFilter>) + sizeof(gfx::RectF);
 }
 
+void FilterDisplayItem::AsValueInto(base::debug::TracedValue* array) const {
+  array->AppendString(base::StringPrintf("FilterDisplayItem bounds: [%s]",
+                                         bounds_.ToString().c_str()));
+}
+
 EndFilterDisplayItem::EndFilterDisplayItem() {
 }
 
 EndFilterDisplayItem::~EndFilterDisplayItem() {
 }
 
 void EndFilterDisplayItem::Raster(SkCanvas* canvas,
                                   SkDrawPictureCallback* callback) const {
   canvas->restore();
   canvas->restore();
 }
 
 bool EndFilterDisplayItem::IsSuitableForGpuRasterization() const {
   return true;
 }
 
 int EndFilterDisplayItem::ApproximateOpCount() const {
   return 0;
 }
 
 size_t EndFilterDisplayItem::PictureMemoryUsage() const {
   return 0;
 }
 
+void EndFilterDisplayItem::AsValueInto(base::debug::TracedValue* array) const {
+  array->AppendString("EndFilterDisplayItem");
+}
+
 }  // namespace cc