[Sync] Fix namespaces for the sync_sessions component.

chrome/browser/ui/android/tab_model/tab_model.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_UI_ANDROID_TAB_MODEL_TAB_MODEL_H_
 #define CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "chrome/browser/ui/android/tab_model/android_live_tab_context.h"
 #include "components/sessions/core/session_id.h"
 #include "components/sync_sessions/synced_window_delegate.h"
 #include "components/toolbar/toolbar_model.h"
 #include "components/toolbar/toolbar_model_delegate.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 namespace browser_sync {
-class SyncedWindowDelegate;
 class SyncedWindowDelegateAndroid;
 }
 
 namespace content {
 class WebContents;
 }
 
+namespace sync_sessions {
+class SyncedWindowDelegate;
+}
+
 class Profile;
 class TabAndroid;
 
 // Abstract representation of a Tab Model for Android.  Since Android does
 // not use Browser/BrowserList, this is required to allow Chrome to interact
 // with Android's Tabs and Tab Model.
 class TabModel : public content::NotificationObserver {
  public:
   virtual Profile* GetProfile() const;
   virtual bool IsOffTheRecord() const;
-  virtual browser_sync::SyncedWindowDelegate* GetSyncedWindowDelegate() const;
+  virtual sync_sessions::SyncedWindowDelegate* GetSyncedWindowDelegate() const;
   virtual SessionID::id_type GetSessionId() const;
   virtual const SessionID& SessionId() const;
   virtual sessions::LiveTabContext* GetLiveTabContext() const;
 
   virtual int GetTabCount() const = 0;
   virtual int GetActiveIndex() const = 0;
   virtual content::WebContents* GetActiveWebContents() const;
   virtual content::WebContents* GetWebContentsAt(int index) const = 0;
   // This will return NULL if the tab has not yet been initialized.
   virtual TabAndroid* GetTabAt(int index) const = 0;
@@ skipping 48 matching lines @@
   // across sessions.
   SessionID session_id_;
 
   // The Registrar used to register TabModel for notifications.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(TabModel);
 };
 
 #endif  // CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_H_