Only send events to renderers that are listening to an event....

chrome/test/render_view_test.cc

Index: chrome/test/render_view_test.cc
===================================================================
--- chrome/test/render_view_test.cc	(revision 14939)
+++ chrome/test/render_view_test.cc	(working copy)
@@ -59,6 +59,7 @@
   WebKit::registerExtension(EventBindings::Get());
   WebKit::registerExtension(ExtensionProcessBindings::Get());
   WebKit::registerExtension(RendererExtensionBindings::Get(&render_thread_));
+  EventBindings::SetRenderThread(&render_thread_);
 
   // TODO(aa): Should some of this go to some other inheriting class?
   std::vector<std::string> names;
@@ -80,6 +81,8 @@
   // Run the loop so the release task from the renderwidget executes.
   ProcessPendingMessages();
 
+  EventBindings::SetRenderThread(NULL);
+
   view_ = NULL;
 
   mock_process_.reset();