Plumb debug name via debug info

webkit/renderer/compositor_bindings/web_layer_impl.cc

Index: webkit/renderer/compositor_bindings/web_layer_impl.cc
diff --git a/webkit/renderer/compositor_bindings/web_layer_impl.cc b/webkit/renderer/compositor_bindings/web_layer_impl.cc
index 5ce5df308631609536015b36f80f9b0c92eaa601..7c1248032300ebd869fc48f1faf8258c92a668b6 100644
--- a/webkit/renderer/compositor_bindings/web_layer_impl.cc
+++ b/webkit/renderer/compositor_bindings/web_layer_impl.cc
@@ -405,7 +405,6 @@ void WebLayerImpl::setWebLayerClient(blink::WebLayerClient* client) {
   web_layer_client_ = client;
 }
 
-// TODO(chrishtr): move DebugName into this class.
 class TracedDebugInfo : public base::debug::ConvertableToTraceFormat {
  public:
   // This object takes ownership of the debug_info object.
@@ -428,7 +427,7 @@ scoped_refptr<base::debug::ConvertableToTraceFormat>
   if (!web_layer_client_)
     return NULL;
   blink::WebGraphicsLayerDebugInfo* debug_info =
-      web_layer_client_->takeDebugInfo();
+      web_layer_client_->takeDebugInfoFor(this);
 
   if (debug_info)
     return new TracedDebugInfo(debug_info);
@@ -436,15 +435,6 @@ scoped_refptr<base::debug::ConvertableToTraceFormat>
     return NULL;
 }
 
-std::string WebLayerImpl::DebugName() {
-  if (!web_layer_client_)
-    return std::string();
-
-  std::string name = web_layer_client_->debugName(this).utf8();
-  DCHECK(IsStringASCII(name));
-  return name;
-}
-
 void WebLayerImpl::setScrollParent(blink::WebLayer* parent) {
   cc::Layer* scroll_parent = NULL;
   if (parent)