HUD: Show first paint invalidation in red

cc/layers/layer_impl.cc

Index: cc/layers/layer_impl.cc
diff --git a/cc/layers/layer_impl.cc b/cc/layers/layer_impl.cc
index 29bdfe778fdf522fc9a3a8f97d74ef4adb90b71c..2b187a1e3ebef896c42f3ef2a946d5f7be1305bf 100644
--- a/cc/layers/layer_impl.cc
+++ b/cc/layers/layer_impl.cc
@@ -4,6 +4,8 @@
 
 #include "cc/layers/layer_impl.h"
 
+#include <vector>
+
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_argument.h"
 #include "base/json/json_reader.h"
@@ -166,8 +168,7 @@ void LayerImpl::SetScrollParent(LayerImpl* parent) {
   SetNeedsPushProperties();
 }
 
-void LayerImpl::SetDebugInfo(
-    scoped_refptr<base::debug::ConvertableToTraceFormat> other) {
+void LayerImpl::SetDebugInfo(scoped_refptr<LayerDebugInfo> other) {
   debug_info_ = other;
   SetNeedsPushProperties();
 }
@@ -1555,4 +1556,8 @@ void LayerImpl::NotifyAnimationFinished(
     layer_tree_impl_->InputScrollAnimationFinished();
 }
 
+bool LayerImpl::GetDetailedPaintRects(std::vector<DebugRect>*) {
+  return false;
+}
+
 }  // namespace cc