Move chrome-specific SerializedNavigation code to chrome/.

chrome/browser/sessions/session_common_utils.h

 // Copyright 2014 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_SESSIONS_SESSION_COMMON_UTILS_H_
 #define CHROME_BROWSER_SESSIONS_SESSION_COMMON_UTILS_H_
 
 namespace sessions {
+class SerializedNavigationEntry;
 struct SessionTab;
 }  // namespace sessions
 
 class GURL;
 
 // Returns whether sessions code should track a URL for restoring in the context
 // of //chrome. In particular, blacklists chrome://quit and chrome://restart to
 // avoid quit or restart loops.
 bool ShouldTrackURLForRestore(const GURL& url);
 
 // Returns the current navigation index from the tab. If current navigation's
 // url is the sign out page and the url of previous one is the setting page,
 // returns the index of previous one.
 int GetNavigationIndexToSelect(const sessions::SessionTab& tab);
 
+// Chrome-specific callback function for use with
+// sessions::SerializedNavigationDriver::SetSanitizeCallback().
+void SanitizeNavigation(sessions::SerializedNavigationEntry* navigation);
+
 #endif  // CHROME_BROWSER_SESSIONS_SESSION_COMMON_UTILS_H_