Fix racing which may pause gpu process's interface registry forever

content/gpu/gpu_child_thread.cc

Index: content/gpu/gpu_child_thread.cc
diff --git a/content/gpu/gpu_child_thread.cc b/content/gpu/gpu_child_thread.cc
index b0783c4df312e8b52c5ec32eb6199e1a1f7920d3..a81892212b99691f016740f34d36d04d53904e5c 100644
--- a/content/gpu/gpu_child_thread.cc
+++ b/content/gpu/gpu_child_thread.cc
@@ -303,10 +303,12 @@ bool GpuChildThread::AcceptConnection(shell::Connection* connection) {
 
   // We don't want to process any incoming interface requests until
   // OnInitialize().
-  connection->GetInterfaceRegistry()->PauseBinding();
-  resume_interface_bindings_callback_ = base::Bind(
-      &shell::InterfaceRegistry::ResumeBinding,
-      connection->GetInterfaceRegistry()->GetWeakPtr());
+  if (!gpu_channel_manager_) {
+    connection->GetInterfaceRegistry()->PauseBinding();
+    resume_interface_bindings_callback_ = base::Bind(
+        &shell::InterfaceRegistry::ResumeBinding,
+        connection->GetInterfaceRegistry()->GetWeakPtr());
+  }
 
   return true;
 }