Revert of Mandoline UI Process: Update namespaces and file names

components/mus/gles2/mojo_buffer_backing.cc

 // Copyright 2014 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 "components/mus/gles2/mojo_buffer_backing.h"
 
 #include "base/logging.h"
 
-namespace mus {
+namespace gles2 {
 
 MojoBufferBacking::MojoBufferBacking(mojo::ScopedSharedBufferHandle handle,
                                      void* memory,
                                      size_t size)
     : handle_(handle.Pass()), memory_(memory), size_(size) {}
 
 MojoBufferBacking::~MojoBufferBacking() {
   mojo::UnmapBuffer(memory_);
 }
 
@@ skipping 10 matching lines @@
   return scoped_ptr<BufferBacking>(
       new MojoBufferBacking(handle.Pass(), memory, size));
 }
 void* MojoBufferBacking::GetMemory() const {
   return memory_;
 }
 size_t MojoBufferBacking::GetSize() const {
   return size_;
 }
 
-}  // namespace mus
+}  // namespace gles2