Plumbing for layout rectangle debug info. Companion to

https://code.google.com/p/chromium/issues/detail?id=314945

Patch from Chris Harrelson <[email protected]>

BUG=314945
..


..


Plumbing for for layout rectangle debug information.

BUG=

Review URL: https://codereview.chromium.org/61883006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238297 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/ui/compositor/layer.h b/ui/compositor/layer.h
index 4faab122..b2bc4d3 100644
--- a/ui/compositor/layer.h
+++ b/ui/compositor/layer.h
@@ -336,6 +336,9 @@
   // LayerClient
   virtual std::string DebugName() OVERRIDE;
 
+  virtual scoped_refptr<base::debug::ConvertableToTraceFormat>
+      TakeDebugInfo() OVERRIDE;
+
   // LayerAnimationEventObserver
   virtual void OnAnimationStarted(const cc::AnimationEvent& event) OVERRIDE;