Mojo: Move mojo/public/bindings/*.h to mojo/public/cpp/bindings/*.h.

mojo/public/cpp/bindings/buffer.h

 // Copyright 2013 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_BINDINGS_BUFFER_H_
-#define MOJO_PUBLIC_BINDINGS_BUFFER_H_
+#ifndef MOJO_PUBLIC_CPP_BINDINGS_BUFFER_H_
+#define MOJO_PUBLIC_CPP_BINDINGS_BUFFER_H_
 
 #include <stddef.h>
 
 namespace mojo {
 
 // Buffer provides a way to allocate memory. Allocations are 8-byte aligned and
 // zero-initialized. Allocations remain valid for the lifetime of the Buffer.
 class Buffer {
  public:
   typedef void (*Destructor)(void* address);
 
   Buffer();
   virtual ~Buffer();
 
   // A destructor may optionally be assigned to the allocation. Destructors run
   // (in LIFO order) when the Buffer instance is destroyed.
   virtual void* Allocate(size_t num_bytes, Destructor func = NULL) = 0;
 
   // Returns the current Buffer from thread local storage. May be NULL.
   static Buffer* current();
 
  private:
   Buffer* previous_;
 };
 
 }  // namespace mojo
 
-#endif  // MOJO_PUBLIC_BINDINGS_BUFFER_H_
+#endif  // MOJO_PUBLIC_CPP_BINDINGS_BUFFER_H_