Update Native Client Authors to be Chromium Authors for the code moved from the

ppapi/native_client/src/shared/ppapi_proxy/plugin_instance_data.cc

 /*
- * Copyright 2011 The Native Client Authors. All rights reserved.
+ * Copyright 2011 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 "native_client/src/shared/ppapi_proxy/plugin_instance_data.h"
 
 #include <tr1/unordered_map>
 
 namespace ppapi_proxy {
 
@@ skipping 33 matching lines @@
 void PluginInstanceData::DidChangeView(PP_Instance id,
                                        PP_Rect position,
                                        PP_Rect clip) {
   PluginInstanceData* instance = FromPP(id);
   if (instance) {
     instance->set_position(position);
   }
 }
 
 }  // namespace ppapi_proxy