Mojo: Move mojo/public/bindings/lib to mojo/public/cpp/bindings/lib.

mojo/public/cpp/bindings/lib/buffer.cc

 // 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.
 
 #include "mojo/public/cpp/bindings/buffer.h"
 
 #include <assert.h>
 
 #include "mojo/public/cpp/environment/buffer_tls.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 
 Buffer::Buffer() {
   previous_ = internal::SetCurrentBuffer(this);
 }
 
 Buffer::~Buffer() {
   Buffer* buf MOJO_ALLOW_UNUSED = internal::SetCurrentBuffer(previous_);
   assert(buf == this);
 }
 
 Buffer* Buffer::current() {
   return internal::GetCurrentBuffer();
 }
 
 }  // namespace mojo