Execute all GL commands up to the put offset reported by a flush.

content/renderer/gpu/command_buffer_proxy.h

Index: content/renderer/gpu/command_buffer_proxy.h
===================================================================
--- content/renderer/gpu/command_buffer_proxy.h	(revision 92876)
+++ content/renderer/gpu/command_buffer_proxy.h	(working copy)
@@ -49,6 +49,7 @@
   virtual bool Initialize(base::SharedMemory* buffer, int32 size);
   virtual gpu::Buffer GetRingBuffer();
   virtual State GetState();
+  virtual State GetLastState();
   virtual void Flush(int32 put_offset);
   virtual State FlushSync(int32 put_offset, int32 last_known_get);
   virtual void SetGetOffset(int32 get_offset);
@@ -97,11 +98,6 @@
   virtual void SetWindowSize(const gfx::Size& size);
 #endif
 
-  // Get the last state received from the service without synchronizing.
-  State GetLastState() {
-    return last_state_;
-  }
-
  private:
 
   // Send an IPC message over the GPU channel. This is private to fully