Make the Go Back navigation work even when redirection is involved....

chrome/browser/tab_contents/navigation_controller.h

Index: chrome/browser/tab_contents/navigation_controller.h
===================================================================
--- chrome/browser/tab_contents/navigation_controller.h	(revision 14058)
+++ chrome/browser/tab_contents/navigation_controller.h	(working copy)
@@ -428,6 +428,15 @@
   // The new entry will become the active one.
   void InsertEntry(NavigationEntry* entry);
 
+  // Replaces the current entry with a new one, removing all entries after it.
+  // The new entry will become the active one.
+  void ReplaceCurrentEntry(NavigationEntry* entry);
+
+  // Inserts a new entry or replaces the current entry with a new one, removing
+  // all entries after it. The new entry will become the active one.
+  void InsertOrReplaceEntry(NavigationEntry* entry,
+                            bool replace);
+
   // Discards the pending and transient entries.
   void DiscardNonCommittedEntriesInternal();