Detach the output surface if bind fails.

content/renderer/gpu/compositor_output_surface.cc

Index: content/renderer/gpu/compositor_output_surface.cc
diff --git a/content/renderer/gpu/compositor_output_surface.cc b/content/renderer/gpu/compositor_output_surface.cc
index ae3f5142ba87611dcc38c75631888ca805005af1..4a46925bb001a76a1ce0030a87119f11e745b977 100644
--- a/content/renderer/gpu/compositor_output_surface.cc
+++ b/content/renderer/gpu/compositor_output_surface.cc
@@ -83,10 +83,11 @@ bool CompositorOutputSurface::BindToClient(
 void CompositorOutputSurface::DetachFromClient() {
   if (!HasClient())
     return;
-  if (output_surface_proxy_.get())
+  if (output_surface_proxy_) {
     output_surface_proxy_->ClearOutputSurface();
-  output_surface_filter_->RemoveHandlerOnCompositorThread(
-      routing_id_, output_surface_filter_handler_);
+    output_surface_filter_->RemoveHandlerOnCompositorThread(
+        routing_id_, output_surface_filter_handler_);
+  }
   cc::OutputSurface::DetachFromClient();
 }