Change the canonical way to include the C bindings headers to <mojo/bindings/*.h>.

mojo/public/c/include/mojo/bindings/message.h

 // Copyright 2016 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 MOJO_PUBLIC_C_BINDINGS_MESSAGE_H_
-#define MOJO_PUBLIC_C_BINDINGS_MESSAGE_H_
+#ifndef MOJO_PUBLIC_C_INCLUDE_MOJO_BINDINGS_MESSAGE_H_
+#define MOJO_PUBLIC_C_INCLUDE_MOJO_BINDINGS_MESSAGE_H_
 
+#include <mojo/bindings/struct.h>
+#include <mojo/bindings/validation.h>
 #include <mojo/macros.h>
 #include <stdint.h>
 
-#include "mojo/public/c/bindings/struct.h"
-#include "mojo/public/c/bindings/validation.h"
-
 MOJO_BEGIN_EXTERN_C
 
 #define MOJOM_MESSAGE_FLAGS_EXPECTS_RESPONSE ((uint32_t)(1 << 0u))
 #define MOJOM_MESSAGE_FLAGS_IS_RESPONSE ((uint32_t)(1 << 1u))
 
 // All mojom messages (over a message pipe) are framed with a MojomMessage as
 // its header.
 // MojomMessage is actually a mojom struct -- we define it here since it's
 // easier to read, and the validation has more to it than simple mojom struct
 // validation.
@@ skipping 43 matching lines @@
 // MojomMessage_ValidateHeader().
 MojomValidationResult MojomMessage_ValidateRequestWithoutResponse(
     const void* in_buf);
 
 // Validates that the given message is a response. Assumes taht the message is
 // already validated by MojomMessage_ValidateHeader().
 MojomValidationResult MojomMessage_ValidateResponse(const void* in_buf);
 
 MOJO_END_EXTERN_C
 
-#endif  // MOJO_PUBLIC_C_BINDINGS_MESSAGE_H_
+#endif  // MOJO_PUBLIC_C_INCLUDE_MOJO_BINDINGS_MESSAGE_H_