Parse the script_badge manifest section.

chrome/common/extensions/extension_switch_utils.h

Index: chrome/common/extensions/extension_switch_utils.h
diff --git a/chrome/common/extensions/extension_switch_utils.h b/chrome/common/extensions/extension_switch_utils.h
index e5e095c425dde22f5bedf509d2269b88b4d138fd..66f2666f8712b854436485f053642e0406204b9a 100644
--- a/chrome/common/extensions/extension_switch_utils.h
+++ b/chrome/common/extensions/extension_switch_utils.h
@@ -16,6 +16,20 @@ 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