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

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

Index: mojo/public/c/include/mojo/bindings/string.h
diff --git a/mojo/public/c/bindings/string.h b/mojo/public/c/include/mojo/bindings/string.h
similarity index 75%
rename from mojo/public/c/bindings/string.h
rename to mojo/public/c/include/mojo/bindings/string.h
index dd2f00c217e8987a16b29822e70b51e561d646eb..daefa2b17eb65b972e09259e0147a59eacd4da37 100644
--- a/mojo/public/c/bindings/string.h
+++ b/mojo/public/c/include/mojo/bindings/string.h
@@ -2,11 +2,11 @@
 // 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_STRING_H_
-#define MOJO_PUBLIC_C_BINDINGS_STRING_H_
+#ifndef MOJO_PUBLIC_C_INCLUDE_MOJO_BINDINGS_STRING_H_
+#define MOJO_PUBLIC_C_INCLUDE_MOJO_BINDINGS_STRING_H_
 
-#include "mojo/public/c/bindings/array.h"
-#include "mojo/public/c/bindings/buffer.h"
+#include <mojo/bindings/array.h>
+#include <mojo/bindings/buffer.h>
 
 // A mojom string is a mojom array of UTF-8 chars that need not be
 // null-terminated.
@@ -24,4 +24,4 @@ union MojomStringHeaderPtr {
 MOJO_STATIC_ASSERT(sizeof(union MojomStringHeaderPtr) == 8,
                    "MojomStringHeaderPtr must be 8 byes.");
 
-#endif  // MOJO_PUBLIC_C_BINDINGS_STRING_H_
+#endif  // MOJO_PUBLIC_C_INCLUDE_MOJO_BINDINGS_STRING_H_