Add chrome.inputMethodPrivate.onImeMenuActivationChanged API.

chrome/browser/chromeos/extensions/input_method_api.h

Index: chrome/browser/chromeos/extensions/input_method_api.h
diff --git a/chrome/browser/chromeos/extensions/input_method_api.h b/chrome/browser/chromeos/extensions/input_method_api.h
index 40b1e400f67b137db6a95e57b5a1d4f4fa8cf0f4..a76b9f68a3e7c66f8fa30595abbd4ddddf5d2bb6 100644
--- a/chrome/browser/chromeos/extensions/input_method_api.h
+++ b/chrome/browser/chromeos/extensions/input_method_api.h
@@ -16,6 +16,7 @@
 namespace chromeos {
 class ExtensionDictionaryEventRouter;
 class ExtensionInputMethodEventRouter;
+class ExtensionImeMenuEventRouter;
 }
 
 namespace extensions {
@@ -174,6 +175,7 @@ class InputMethodAPI : public BrowserContextKeyedAPI,
       input_method_event_router_;
   scoped_ptr<chromeos::ExtensionDictionaryEventRouter>
       dictionary_event_router_;
+  scoped_ptr<chromeos::ExtensionImeMenuEventRouter> ime_menu_event_router_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodAPI);
 };