Turn on UIPI for the GPU sandbox.

ui/gfx/gl/gl_implementation.cc

 // Copyright (c) 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 "ui/gfx/gl/gl_implementation.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/logging.h"
-#include "ui/gfx/gl/gl_switches.h"
 
 namespace gfx {
 
-const char kGLImplementationDesktopName[] = "desktop";
-const char kGLImplementationOSMesaName[]  = "osmesa";
-const char kGLImplementationEGLName[]     = "egl";
-const char kGLImplementationMockName[]    = "mock";
-
 namespace {
 
 const struct {
   const char* name;
   GLImplementation implementation;
 } kGLImplementationNamePairs[] = {
   { kGLImplementationDesktopName, kGLImplementationDesktopGL },
   { kGLImplementationOSMesaName, kGLImplementationOSMesaGL },
   { kGLImplementationEGLName, kGLImplementationEGLGLES2 },
   { kGLImplementationMockName, kGLImplementationMockGL }
@@ skipping 111 matching lines @@
   if (g_get_proc_address) {
     void* proc = g_get_proc_address(name);
     if (proc)
       return proc;
   }
 
   return NULL;
 }
 
 }  // namespace gfx