Enable gpu crash tests in content

chrome/test/base/test_launcher_utils.h

Index: chrome/test/base/test_launcher_utils.h
diff --git a/chrome/test/base/test_launcher_utils.h b/chrome/test/base/test_launcher_utils.h
index 26c5125a708ac74ed0a0b8ed066b8a2c675186e4..a8a5b03c0b60e12f1061ce75d0318968078b15e8 100644
--- a/chrome/test/base/test_launcher_utils.h
+++ b/chrome/test/base/test_launcher_utils.h
@@ -22,12 +22,6 @@ void PrepareBrowserCommandLineForTests(CommandLine* command_line);
 // Overrides the current process' user data dir.
 bool OverrideUserDataDir(const FilePath& user_data_dir) WARN_UNUSED_RESULT;
 
-// Override the GL implementation. The names are the same as for the --use-gl
-// command line switch. Use the constants in the gfx namespace.
-bool OverrideGLImplementation(
-    CommandLine* command_line,
-    const std::string& implementation_name) WARN_UNUSED_RESULT;
-
 }  // namespace test_launcher_utils
 
 #endif  // CHROME_TEST_BASE_TEST_LAUNCHER_UTILS_H_