Further plumb visual rect into cc:DisplayItemList.

cc/playback/compositing_display_item.cc

 // 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.
 
 #include "cc/playback/compositing_display_item.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/proto/display_item.pb.h"
 #include "cc/proto/gfx_conversions.h"
@@ skipping 76 matching lines @@
     const gfx::Rect& canvas_target_playback_rect,
     SkPicture::AbortCallback* callback) const {
   SkPaint paint;
   paint.setXfermodeMode(xfermode_);
   paint.setAlpha(alpha_);
   paint.setColorFilter(color_filter_.get());
   canvas->saveLayer(has_bounds_ ? &bounds_ : nullptr, &paint);
 }
 
 void CompositingDisplayItem::AsValueInto(
+    const gfx::Rect& visual_rect,
     base::trace_event::TracedValue* array) const {
   array->AppendString(base::StringPrintf(
-      "CompositingDisplayItem alpha: %d, xfermode: %d", alpha_, xfermode_));
+      "CompositingDisplayItem alpha: %d, xfermode: %d, visualRect: [%s]",
+      alpha_, xfermode_, visual_rect.ToString().c_str()));
   if (has_bounds_)
     array->AppendString(base::StringPrintf(
         ", bounds: [%f, %f, %f, %f]", static_cast<float>(bounds_.x()),
         static_cast<float>(bounds_.y()), static_cast<float>(bounds_.width()),
         static_cast<float>(bounds_.height())));
 }
 
 EndCompositingDisplayItem::EndCompositingDisplayItem() {
   DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 0 /* op_count */,
                       0 /* external_memory_usage */);
@@ skipping 11 matching lines @@
 }
 
 void EndCompositingDisplayItem::Raster(
     SkCanvas* canvas,
     const gfx::Rect& canvas_target_playback_rect,
     SkPicture::AbortCallback* callback) const {
   canvas->restore();
 }
 
 void EndCompositingDisplayItem::AsValueInto(
+    const gfx::Rect& visual_rect,
     base::trace_event::TracedValue* array) const {
-  array->AppendString("EndCompositingDisplayItem");
+  array->AppendString(
+      base::StringPrintf("EndCompositingDisplayItem visualRect: [%s]",
+                         visual_rect.ToString().c_str()));
 }
 
 }  // namespace cc