Detach the output surface if bind fails.

content/renderer/gpu/compositor_output_surface.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/gpu/compositor_output_surface.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/location.h"
@@ skipping 65 matching lines @@
         gpu::MemoryAllocation::CUTOFF_ALLOW_NICE_TO_HAVE,
         base::SharedMemory::GetHandleLimit() / 3));
   }
 
   return true;
 }
 
 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();
 }
 
 void CompositorOutputSurface::ShortcutSwapAck(
     uint32_t output_surface_id,
     std::unique_ptr<cc::GLFrameData> gl_frame_data) {
   if (!layout_test_previous_frame_ack_) {
     layout_test_previous_frame_ack_.reset(new cc::CompositorFrameAck);
     layout_test_previous_frame_ack_->gl_frame_data.reset(new cc::GLFrameData);
   }
@@ skipping 97 matching lines @@
   if (output_surface_id != output_surface_id_)
     return;
   ReclaimResources(&ack);
 }
 
 bool CompositorOutputSurface::Send(IPC::Message* message) {
   return message_sender_->Send(message);
 }
 
 }  // namespace content