WIP: diff which plumbs through the event URL.

extensions/renderer/event_bindings.cc

Index: extensions/renderer/event_bindings.cc
diff --git a/extensions/renderer/event_bindings.cc b/extensions/renderer/event_bindings.cc
index 331e6512d7df2aaa371cd1c8dc5850988aea9405..948d3dedd98b305b62474127d4bd8df86d0767cd 100644
--- a/extensions/renderer/event_bindings.cc
+++ b/extensions/renderer/event_bindings.cc
@@ -150,8 +150,8 @@ void EventBindings::AttachEvent(
   std::string extension_id = context()->GetExtensionID();
   EventListenerCounts& listener_counts = g_listener_counts.Get()[extension_id];
   if (++listener_counts[event_name] == 1) {
-    content::RenderThread::Get()->Send(
-        new ExtensionHostMsg_AddListener(extension_id, event_name));
+    content::RenderThread::Get()->Send(new ExtensionHostMsg_AddListener(
+        extension_id, context()->GetURL(), event_name));
   }
 
   // This is called the first time the page has added a listener. Since
@@ -177,8 +177,8 @@ void EventBindings::DetachEvent(
   EventListenerCounts& listener_counts = g_listener_counts.Get()[extension_id];
 
   if (--listener_counts[event_name] == 0) {
-    content::RenderThread::Get()->Send(
-        new ExtensionHostMsg_RemoveListener(extension_id, event_name));
+    content::RenderThread::Get()->Send(new ExtensionHostMsg_RemoveListener(
+        extension_id, context()->GetURL(), event_name));
   }
 
   // DetachEvent is called when the last listener for the context is