Get rid of the following dependencies from content:

content/browser/tab_contents/navigation_controller.cc

 // 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.
 
 #include "content/browser/tab_contents/navigation_controller.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_url_handler.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/common/chrome_constants.h"
 #include "content/browser/child_process_security_policy.h"
 #include "content/browser/in_process_webkit/session_storage_namespace.h"
 #include "content/browser/site_instance.h"
 #include "content/browser/tab_contents/interstitial_page.h"
 #include "content/browser/tab_contents/navigation_details.h"
 #include "content/browser/tab_contents/navigation_entry.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/tab_contents/tab_contents_delegate.h"
 #include "content/common/content_constants.h"
 #include "content/common/navigation_types.h"
@@ skipping 1147 matching lines @@
   size_t insert_index = 0;
   for (int i = 0; i < max_index; i++) {
     // When cloning a tab, copy all entries except interstitial pages
     if (source.entries_[i].get()->page_type() != INTERSTITIAL_PAGE) {
       entries_.insert(entries_.begin() + insert_index++,
                       linked_ptr<NavigationEntry>(
                           new NavigationEntry(*source.entries_[i])));
     }
   }
 }