Remove references to Profile from browser_context_keyed_service.

chrome/browser/invalidation/invalidation_frontend.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_BROWSER_INVALIDATION_INVALIDATION_FRONTEND_H_
 #define CHROME_BROWSER_INVALIDATION_INVALIDATION_FRONTEND_H_
 
 #include "sync/notifier/invalidation_util.h"
 #include "sync/notifier/invalidator_state.h"
 
@@ skipping 27 matching lines @@
 // do the following when starting the client:
 //
 //   invalidator_state = frontend->GetInvalidatorState();
 //
 // It can also do the above in OnInvalidatorStateChange(), or it can use the
 // argument to OnInvalidatorStateChange().
 //
 // It is an error to have registered handlers when an InvalidationFrontend is
 // shut down; clients must ensure that they unregister themselves before then.
 //
-// TODO(rlarocque): This class should extend ProfileKeyedService.
+// TODO(rlarocque): This class should extend BrowserContextKeyedService.
 //
 // NOTE(akalin): Invalidations that come in during browser shutdown may get
 // dropped.  This won't matter once we have an Acknowledge API, though: see
 // http://crbug.com/78462 and http://crbug.com/124149.
 class InvalidationFrontend {
  public:
   // Starts sending notifications to |handler|.  |handler| must not be NULL,
   // and it must not already be registered.
   //
   // Handler registrations are persisted across restarts of sync.
@@ skipping 27 matching lines @@
   // the updated state.
   virtual syncer::InvalidatorState GetInvalidatorState() const = 0;
 
  protected:
   virtual ~InvalidationFrontend() { }
 };
 
 }  // namespace invalidation
 
 #endif  // CHROME_BROWSER_INVALIDATION_INVALIDATION_FRONTEND_H_