content/gpu: Simplify gpu channel message handling.

gpu/command_buffer/service/gpu_scheduler.h

Index: gpu/command_buffer/service/gpu_scheduler.h
diff --git a/gpu/command_buffer/service/gpu_scheduler.h b/gpu/command_buffer/service/gpu_scheduler.h
index b0b26303f716a27eb7837c291a6820897010fe2a..e7eba15b9bbffef25695817f92b7013205467d0b 100644
--- a/gpu/command_buffer/service/gpu_scheduler.h
+++ b/gpu/command_buffer/service/gpu_scheduler.h
@@ -98,13 +98,13 @@ class GPU_EXPORT GpuScheduler
     return parser_.get();
   }
 
-  bool IsPreempted();
-
  private:
   // Artificially reschedule if the scheduler is still unscheduled after a
   // timeout.
   void RescheduleTimeOut();
 
+  bool IsPreempted();
+
   // The GpuScheduler holds a weak reference to the CommandBuffer. The
   // CommandBuffer owns the GpuScheduler and holds a strong reference to it
   // through the ProcessCommands callback.