Snapshot of all changes to get jumbo in blink and content.

gpu/ipc/common/gpu_messages.h

Index: gpu/ipc/common/gpu_messages.h
diff --git a/gpu/ipc/common/gpu_messages.h b/gpu/ipc/common/gpu_messages.h
index 49cf9396391a96b39d447d7de8b67c5b0b9ef319..fc5cc22fa92293946d22a07571d7cf238064bf78 100644
--- a/gpu/ipc/common/gpu_messages.h
+++ b/gpu/ipc/common/gpu_messages.h
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifndef GPU_IPC_COMMON_GPU_MESSAGES_H_
+#define GPU_IPC_COMMON_GPU_MESSAGES_H_
+
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
@@ -247,3 +250,5 @@ IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
 
 // Start or stop VSync sygnal production on GPU side (Windows only).
 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetNeedsVSync, bool /* needs_vsync */)
+
+#endif  // GPU_IPC_COMMON_GPU_MESSAGES_H_