Coalesce event router Init calls into their constructors.

chrome/browser/extensions/window_event_router.h

Index: chrome/browser/extensions/window_event_router.h
diff --git a/chrome/browser/extensions/window_event_router.h b/chrome/browser/extensions/window_event_router.h
index a185132ec1aa722513d03836bfc4364d11b0febc..933dfe04402c512c5fd8fb8e2f93cf4d2b02c87a 100644
--- a/chrome/browser/extensions/window_event_router.h
+++ b/chrome/browser/extensions/window_event_router.h
@@ -39,9 +39,6 @@ class WindowEventRouter : public WindowControllerListObserver,
   explicit WindowEventRouter(Profile* profile);
   virtual ~WindowEventRouter();
 
-  // Must be called once. Subsequent calls have no effect.
-  void Init();
-
   // WindowControllerListObserver methods:
   virtual void OnWindowControllerAdded(
       WindowController* window_controller) OVERRIDE;
@@ -69,7 +66,6 @@ class WindowEventRouter : public WindowControllerListObserver,
                      scoped_ptr<base::ListValue> args);
 
   content::NotificationRegistrar registrar_;
-  bool initialized_;
 
   // The main profile that owns this event router.
   Profile* profile_;