Add the InvalidationState struct to bundle local state about invalidations.

sync/tools/sync_client.cc

 // 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.
 
 #include <cstddef>
 #include <cstdio>
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/base64.h"
@@ skipping 54 matching lines @@
     "xmpp-allow-insecure-connection";
 const char kNotificationMethodSwitch[] = "notification-method";
 
 class NullInvalidationStateTracker
     : public base::SupportsWeakPtr<NullInvalidationStateTracker>,
       public InvalidationStateTracker {
  public:
   NullInvalidationStateTracker() {}
   virtual ~NullInvalidationStateTracker() {}
 
-  virtual InvalidationVersionMap GetAllMaxVersions() const OVERRIDE {
-    return InvalidationVersionMap();
+  virtual InvalidationStateMap GetAllInvalidationStates() const OVERRIDE {
+    return InvalidationStateMap();
   }
 
   virtual void SetMaxVersion(
       const invalidation::ObjectId& id,
       int64 max_invalidation_version) OVERRIDE {
     VLOG(1) << "Setting max invalidation version for "
             << ObjectIdToString(id) << " to " << max_invalidation_version;
   }
 
   virtual void Forget(const ObjectIdSet& ids) OVERRIDE {
@@ skipping 306 matching lines @@
   io_thread.Stop();
   return 0;
 }
 
 }  // namespace
 }  // namespace syncer
 
 int main(int argc, char* argv[]) {
   return syncer::SyncClientMain(argc, argv);
 }