Add mouse input forwarding to gpu service

gpu/command_buffer/common/value_state.h

Index: gpu/command_buffer/common/value_state.h
diff --git a/gpu/command_buffer/common/value_state.h b/gpu/command_buffer/common/value_state.h
new file mode 100644
index 0000000000000000000000000000000000000000..e2011fa6e8a56db293a49b4d1176cdc8dde7fe4c
--- /dev/null
+++ b/gpu/command_buffer/common/value_state.h
@@ -0,0 +1,21 @@
+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef GPU_COMMAND_BUFFER_COMMON_VALUE_STATE_H_
+#define GPU_COMMAND_BUFFER_COMMON_VALUE_STATE_H_
+
+#include "gpu/gpu_export.h"
+
+namespace gpu {
+
+// Used to maintain Valuebuffer state, exposed to browser to
+// support passing ValueStates via IPC.
+union GPU_EXPORT ValueState {
+  float float_value[4];
+  int int_value[4];
+};
+
+}  // namespace gpu
+
+#endif  // GPU_COMMAND_BUFFER_COMMON_VALUE_STATE_H_