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content/browser/renderer_host/gpu_message_filter.cc

Index: content/browser/renderer_host/gpu_message_filter.cc
diff --git a/content/browser/renderer_host/gpu_message_filter.cc b/content/browser/renderer_host/gpu_message_filter.cc
index 75ad4faf046eaea191be62ba00acfd17044ed419..de2b339e8e67a1a5208857353bd6ce3d51baa3f2 100644
--- a/content/browser/renderer_host/gpu_message_filter.cc
+++ b/content/browser/renderer_host/gpu_message_filter.cc
@@ -52,6 +52,9 @@ GpuMessageFilter::GpuMessageFilter(int render_process_id,
 
 GpuMessageFilter::~GpuMessageFilter() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  GpuProcessHost* host = GpuProcessHost::FromID(gpu_process_id_);
+  if (host)
+    host->UnregisterRenderWidgetHelper(render_process_id_);
 }
 
 bool GpuMessageFilter::OnMessageReceived(
@@ -111,6 +114,8 @@ void GpuMessageFilter::OnEstablishGpuChannel(
     gpu_process_id_ = host->host_id();
   }
 
+  host->RegisterRenderWidgetHelper(render_process_id_, render_widget_helper_);
+
   host->EstablishGpuChannel(
       render_process_id_,
       share_contexts_,