Rename InvalidationVersionTracker to InvalidationStateTracker in preparation

sync/notifier/invalidation_notifier.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.
 //
 // An implementation of SyncNotifier that wraps an invalidation
 // client.  Handles the details of connecting to XMPP and hooking it
 // up to the invalidation client.
 //
 // You probably don't want to use this directly; use
 // NonBlockingInvalidationNotifier.
 
 #ifndef SYNC_NOTIFIER_INVALIDATION_NOTIFIER_H_
 #define SYNC_NOTIFIER_INVALIDATION_NOTIFIER_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/threading/non_thread_safe.h"
 #include "jingle/notifier/base/notifier_options.h"
 #include "jingle/notifier/communicator/login.h"
 #include "sync/notifier/chrome_invalidation_client.h"
-#include "sync/notifier/invalidation_version_tracker.h"
+#include "sync/notifier/invalidation_state_tracker.h"
 #include "sync/notifier/state_writer.h"
 #include "sync/notifier/sync_notifier.h"
 #include "sync/syncable/model_type.h"
 #include "sync/util/weak_handle.h"
 
 namespace sync_notifier {
 
 // This class must live on the IO thread.
 class InvalidationNotifier
     : public SyncNotifier,
       public notifier::LoginDelegate,
       public ChromeInvalidationClient::Listener,
       public StateWriter {
  public:
-  // |invalidation_version_tracker| must be initialized.
+  // |invalidation_state_tracker| must be initialized.
   InvalidationNotifier(
       const notifier::NotifierOptions& notifier_options,
       const InvalidationVersionMap& initial_max_invalidation_versions,
-      const browser_sync::WeakHandle<InvalidationVersionTracker>&
-          invalidation_version_tracker,
+      const browser_sync::WeakHandle<InvalidationStateTracker>&
+          invalidation_state_tracker,
       const std::string& client_info);
 
   virtual ~InvalidationNotifier();
 
   // SyncNotifier implementation.
   virtual void AddObserver(SyncNotifierObserver* observer) OVERRIDE;
   virtual void RemoveObserver(SyncNotifierObserver* observer) OVERRIDE;
   virtual void SetUniqueId(const std::string& unique_id) OVERRIDE;
   virtual void SetState(const std::string& state) OVERRIDE;
   virtual void UpdateCredentials(
@@ skipping 30 matching lines @@
   };
   State state_;
 
   // Used to build parameters for |login_|.
   const notifier::NotifierOptions notifier_options_;
 
   // Passed to |invalidation_client_|.
   const InvalidationVersionMap initial_max_invalidation_versions_;
 
   // Passed to |invalidation_client_|.
-  const browser_sync::WeakHandle<InvalidationVersionTracker>
-      invalidation_version_tracker_;
+  const browser_sync::WeakHandle<InvalidationStateTracker>
+      invalidation_state_tracker_;
 
   // Passed to |invalidation_client_|.
   const std::string client_info_;
 
   // Our observers (which must live on the same thread).
   ObserverList<SyncNotifierObserver> observers_;
 
   // The client ID to pass to |chrome_invalidation_client_|.
   std::string invalidation_client_id_;
 
   // The state to pass to |chrome_invalidation_client_|.
   std::string invalidation_state_;
 
   // The XMPP connection manager.
   scoped_ptr<notifier::Login> login_;
 
   // The invalidation client.
   ChromeInvalidationClient invalidation_client_;
 
   DISALLOW_COPY_AND_ASSIGN(InvalidationNotifier);
 };
 
 }  // namespace sync_notifier
 
 #endif  // SYNC_NOTIFIER_INVALIDATION_NOTIFIER_H_