gpu: Generate mailboxes on client side

content/common/gpu/client/command_buffer_proxy_impl.h

Index: content/common/gpu/client/command_buffer_proxy_impl.h
diff --git a/content/common/gpu/client/command_buffer_proxy_impl.h b/content/common/gpu/client/command_buffer_proxy_impl.h
index 8da5778400a85f91ff0c215bbb200b2e0a5cda31..f581688cef48b9c3da9de6efb0e169c2bcbe5d05 100644
--- a/content/common/gpu/client/command_buffer_proxy_impl.h
+++ b/content/common/gpu/client/command_buffer_proxy_impl.h
@@ -103,8 +103,6 @@ class CommandBufferProxyImpl
       unsigned internalformat,
       int32* id) OVERRIDE;
   virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
-  virtual bool GenerateMailboxNames(unsigned num,
-                                    std::vector<gpu::Mailbox>* names) OVERRIDE;
   virtual uint32 InsertSyncPoint() OVERRIDE;
   virtual void SignalSyncPoint(uint32 sync_point,
                                const base::Closure& callback) OVERRIDE;
@@ -159,7 +157,6 @@ class CommandBufferProxyImpl
   void OnConsoleMessage(const GPUCommandBufferConsoleMessage& message);
   void OnSetMemoryAllocation(const gpu::MemoryAllocation& allocation);
   void OnSignalSyncPointAck(uint32 id);
-  void OnGenerateMailboxNamesReply(const std::vector<std::string>& names);
 
   // Try to read an updated copy of the state from shared memory.
   void TryUpdateState();