Add mouse input forwarding to gpu service

gpu/command_buffer/service/in_process_command_buffer.h

Index: gpu/command_buffer/service/in_process_command_buffer.h
diff --git a/gpu/command_buffer/service/in_process_command_buffer.h b/gpu/command_buffer/service/in_process_command_buffer.h
index f84586729a64a67ef8aac7c23b55a78c1a47b9e2..b1abd4c1d7b0cae0482ace63e9a554a43c8c814c 100644
--- a/gpu/command_buffer/service/in_process_command_buffer.h
+++ b/gpu/command_buffer/service/in_process_command_buffer.h
@@ -46,6 +46,7 @@ class StreamTextureManagerInProcess;
 #endif
 
 namespace gpu {
+class ValueStateMap;
 
 namespace gles2 {
 class GLES2Decoder;
@@ -138,9 +139,11 @@ class GPU_EXPORT InProcessCommandBuffer : public CommandBuffer,
     virtual scoped_refptr<gles2::ShaderTranslatorCache>
         shader_translator_cache() = 0;
     scoped_refptr<gles2::MailboxManager> mailbox_manager();
+    scoped_refptr<gpu::ValueStateMap> pending_valuebuffer_state();
 
    private:
     scoped_refptr<gles2::MailboxManager> mailbox_manager_;
+    scoped_refptr<gpu::ValueStateMap> pending_valuebuffer_state_;
   };
 
 #if defined(OS_ANDROID)