Make GLES2Implementation based on GLES2Interface

gpu/command_buffer/client/gles2_implementation.cc

 // Copyright (c) 2012 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.
 
 // A class to emulate GLES2 over command buffers.
 
 #include "../client/gles2_implementation.h"
 
 #include <algorithm>
 #include <map>
@@ skipping 3413 matching lines @@
       length ? std::string(marker, length) : std::string(marker));
 }
 
 void GLES2Implementation::PopGroupMarkerEXT() {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glPopGroupMarkerEXT()");
   helper_->PopGroupMarkerEXT();
   debug_marker_manager_.PopGroup();
 }
 
+// Include the auto-generated part of this file. We split this because it means
+// we can easily edit the non-auto generated parts right here in this file
+// instead of having to edit some template or the code generator.
+#include "../client/gles2_implementation_impl_autogen.h"
+
 }  // namespace gles2
 }  // namespace gpu