Whitelist some GPU test includes in GN check.

gpu/gles2_conform_support/native/main.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.
 
 #include <stddef.h>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #if defined(OS_MACOSX)
 #include "base/mac/scoped_nsautorelease_pool.h"
 #endif
 #if defined(OS_WIN)
 #include "base/strings/utf_string_conversions.h"
 #endif
 #include "ui/gl/gl_surface.h"
 
 extern "C" {
 #if defined(GLES2_CONFORM_SUPPORT_ONLY)
 #include "gpu/gles2_conform_support/gtf/gtf_stubs.h"
 #else
-#include "third_party/gles2_conform/GTF_ES/glsl/GTF/Source/GTFMain.h"
+#include "third_party/gles2_conform/GTF_ES/glsl/GTF/Source/GTFMain.h"  // nogncheck
 #endif
 }
 
 int main(int argc, char *argv[]) {
   base::AtExitManager at_exit;
   base::CommandLine::Init(argc, argv);
   base::MessageLoopForUI message_loop;
 
   base::CommandLine::StringVector args =
       base::CommandLine::ForCurrentProcess()->GetArgs();
@@ skipping 16 matching lines @@
     argsArray[index+1] = args[index].c_str();
   }
 #endif
 
   GTFMain(static_cast<int>(args.size()+1),
     const_cast<char**>(argsArray.get()));
 
   return 0;
 }