Parse the script_badge manifest section.

chrome/common/extensions/extension_switch_utils.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_SWITCH_UTILS_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_SWITCH_UTILS_H_
 #pragma once
 
 namespace extensions {
 
 namespace switch_utils {
 
 bool IsEasyOffStoreInstallEnabled();
 
 bool IsActionBoxEnabled();
 
 bool AreScriptBadgesEnabled();
 
+// TODO(jyasskin): Convert this to a generic switch system that wraps the whole
+// interaction with CommandLine::HasSwitch and doesn't require globals.
+enum EnabledState {
+  ENABLED,
+  DISABLED
+};
+
+// Using this makes all other access to AreScriptBadgesEnabled NOT thread-safe.
+class ScopedSetScriptBadgeForTest {
+ public:
+  explicit ScopedSetScriptBadgeForTest(EnabledState);
+  ~ScopedSetScriptBadgeForTest();
+};
+
 }  // switch_utils
 
 }  // extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_SWITCH_UTILS_H_