Added chromium source file preamble.

gpu/command_buffer/client/gles2_demo.cc

-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 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.
 
 // This file implements a standalone executable demo of using GLES2 over
 // command buffers. This code is temporary as the setup that happens
 // here is in a state of flux. Eventually there will be several versions of
 // setup, one for trusted code, one for pepper, one for NaCl, and maybe others.
 
 #include <windows.h>
 #include <windowsx.h>
@@ skipping 188 matching lines @@
   }
 
   demo->Setup(hwnd, kCommandBufferSize);
 
   ProcessMessages(hwnd);
 
   return EXIT_SUCCESS;
 }