Remove history dependency from content.

chrome/browser/external_tab_container_win.cc

Index: chrome/browser/external_tab_container_win.cc
===================================================================
--- chrome/browser/external_tab_container_win.cc	(revision 85923)
+++ chrome/browser/external_tab_container_win.cc	(working copy)
@@ -18,6 +18,7 @@
 #include "chrome/browser/debugger/devtools_toggle_action.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/history/history_types.h"
+#include "chrome/browser/history/history_tab_helper.h"
 #include "chrome/browser/load_notification_details.h"
 #include "chrome/browser/page_info_window.h"
 #include "chrome/browser/profiles/profile.h"
@@ -371,9 +372,9 @@
         details.did_replace_entry = false;
 
         scoped_refptr<history::HistoryAddPageArgs> add_page_args(
-            tab_contents_->tab_contents()->
+            tab_contents_->history_tab_helper()->
                 CreateHistoryAddPageArgs(url, details, params));
-        tab_contents_->tab_contents()->
+        tab_contents_->history_tab_helper()->
             UpdateHistoryForNavigation(add_page_args);
       }
       break;