Cleanup: Remove unneeded forward declarations in chrome/browser/sync.

chrome/browser/sync/glue/session_model_associator.h

 // Copyright (c) 2011 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_SYNC_GLUE_SESSION_MODEL_ASSOCIATOR_H_
 #define CHROME_BROWSER_SYNC_GLUE_SESSION_MODEL_ASSOCIATOR_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 19 matching lines @@
 #include "chrome/browser/sync/protocol/session_specifics.pb.h"
 #include "chrome/browser/sync/syncable/model_type.h"
 #include "chrome/browser/sync/util/weak_handle.h"
 
 class Profile;
 class ProfileSyncService;
 
 namespace sync_api {
 class BaseTransaction;
 class ReadNode;
-class WriteNode;
 class WriteTransaction;
 }  // namespace sync_api
 
 namespace sync_pb {
 class SessionSpecifics;
 }  // namespace sync_pb
 
 namespace browser_sync {
 
 static const char kSessionsTag[] = "google_chrome_sessions";
@@ skipping 200 matching lines @@
     }
     TabLinks(int64 sync_id, const SessionTab* session_tab)
       : sync_id_(sync_id),
         tab_(NULL) {
       session_tab_ = const_cast<SessionTab*>(session_tab);
     }
 
     int64 sync_id() const { return sync_id_; }
     const SessionTab* session_tab() const { return session_tab_; }
     const SyncedTabDelegate* tab() const { return tab_; }
+
    private:
     int64 sync_id_;
     SessionTab* session_tab_;
     SyncedTabDelegate* tab_;
   };
 
   // A pool for managing free/used tab sync nodes. Performs lazy creation
   // of sync nodes when necessary.
   class TabNodePool {
    public:
@@ skipping 43 matching lines @@
     bool empty() const { return tab_pool_fp_ == -1; }
 
     // Return full status (no tab nodes are in use).
     bool full() {
       return tab_pool_fp_ == static_cast<int64>(tab_syncid_pool_.size())-1;
     }
 
     void set_machine_tag(const std::string& machine_tag) {
       machine_tag_ = machine_tag;
     }
+
    private:
     // Pool of all available syncid's for tab's we have created.
     std::vector<int64> tab_syncid_pool_;
 
     // Free pointer for tab pool. Only those node id's, up to and including the
     // one indexed by the free pointer, are valid and free. The rest of the
     // |tab_syncid_pool_| is invalid because the nodes are in use.
     // To get the next free node, use tab_syncid_pool_[tab_pool_fp_--].
     int64 tab_pool_fp_;
 
@@ skipping 143 matching lines @@
   // is made.
   bool waiting_for_change_;
   ScopedRunnableMethodFactory<SessionModelAssociator> test_method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionModelAssociator);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SESSION_MODEL_ASSOCIATOR_H_