Defer Mojo interface binding in the gpu process until OnInitialize

content/gpu/gpu_child_thread.h

Index: content/gpu/gpu_child_thread.h
diff --git a/content/gpu/gpu_child_thread.h b/content/gpu/gpu_child_thread.h
index 4961b57c7469c81764b8cf931d7f3dacde44a745..2141c7783e19940c4faebb35794256874b13c322 100644
--- a/content/gpu/gpu_child_thread.h
+++ b/content/gpu/gpu_child_thread.h
@@ -11,6 +11,7 @@
 #include <queue>
 #include <string>
 
+#include "base/callback.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ -178,6 +179,8 @@ class GpuChildThread : public ChildThreadImpl,
   // Bindings to the mojom::ProcessControl impl.
   mojo::BindingSet<mojom::ProcessControl> process_control_bindings_;
 
+  base::Closure resume_interface_bindings_callback_;
+
   DISALLOW_COPY_AND_ASSIGN(GpuChildThread);
 };