GTTF: Make --help and --gtest_help behave correctly with --brave-new-test-launcher

content/public/test/test_launcher.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_TEST_TEST_LAUNCHER_H_
 #define CONTENT_PUBLIC_TEST_TEST_LAUNCHER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 
 class CommandLine;
 
 namespace base {
 class FilePath;
 class RunLoop;
 }
 
 namespace content {
 class ContentMainDelegate;
 
 extern const char kEmptyTestName[];
-extern const char kGTestHelpFlag[];
 extern const char kHelpFlag[];
 extern const char kLaunchAsBrowser[];
 extern const char kRunManualTestsFlag[];
 extern const char kSingleProcessTestsFlag[];
 
 // Flag that causes only the kEmptyTestName test to be run.
 extern const char kWarmupFlag[];
 
 class TestLauncherDelegate {
  public:
@@ skipping 11 matching lines @@
 
 int LaunchTests(TestLauncherDelegate* launcher_delegate,
                 int argc,
                 char** argv) WARN_UNUSED_RESULT;
 
 TestLauncherDelegate* GetCurrentTestLauncherDelegate();
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_TEST_LAUNCHER_H_