Further plumb visual rect into cc:DisplayItemList.

cc/playback/transform_display_item.cc

Index: cc/playback/transform_display_item.cc
diff --git a/cc/playback/transform_display_item.cc b/cc/playback/transform_display_item.cc
index d0e7de79499c947f83661ad87370ea120d228d36..f841854f9d268311224fbc7010a16a28277c2794 100644
--- a/cc/playback/transform_display_item.cc
+++ b/cc/playback/transform_display_item.cc
@@ -51,9 +51,11 @@ void TransformDisplayItem::Raster(SkCanvas* canvas,
 }
 
 void TransformDisplayItem::AsValueInto(
+    const gfx::Rect& visual_rect,
     base::trace_event::TracedValue* array) const {
-  array->AppendString(base::StringPrintf("TransformDisplayItem transform: [%s]",
-                                         transform_.ToString().c_str()));
+  array->AppendString(base::StringPrintf(
+      "TransformDisplayItem transform: [%s] visualRect: [%s]",
+      transform_.ToString().c_str(), visual_rect.ToString().c_str()));
 }
 
 EndTransformDisplayItem::EndTransformDisplayItem() {
@@ -80,8 +82,11 @@ void EndTransformDisplayItem::Raster(
 }
 
 void EndTransformDisplayItem::AsValueInto(
+    const gfx::Rect& visual_rect,
     base::trace_event::TracedValue* array) const {
-  array->AppendString("EndTransformDisplayItem");
+  array->AppendString(
+      base::StringPrintf("EndTransformDisplayItem visualRect: [%s]",
+                         visual_rect.ToString().c_str()));
 }
 
 }  // namespace cc