Cleanup: Remove unneeded extensions #includes.

chrome/browser/ui/sync/tab_contents_synced_tab_delegate.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 "chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h"
 
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/sync/glue/synced_window_delegate.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
-#include "extensions/common/extension.h"
 
 #if defined(ENABLE_EXTENSIONS)
 #include "chrome/browser/extensions/tab_helper.h"
+#include "extensions/common/extension.h"
 #endif
 
 #if defined(ENABLE_MANAGED_USERS)
 #include "chrome/browser/supervised_user/supervised_user_navigation_observer.h"
 #endif
 
 using content::NavigationEntry;
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(TabContentsSyncedTabDelegate);
 
@@ skipping 84 matching lines @@
   return web_contents_;
 }
 
 int TabContentsSyncedTabDelegate::GetSyncId() const {
   return sync_session_id_;
 }
 
 void TabContentsSyncedTabDelegate::SetSyncId(int sync_id) {
   sync_session_id_ = sync_id;
 }