Move redirect_chain from NavigationEntry to FrameNavigationEntry.

content/browser/frame_host/navigation_entry_impl.h

Index: content/browser/frame_host/navigation_entry_impl.h
diff --git a/content/browser/frame_host/navigation_entry_impl.h b/content/browser/frame_host/navigation_entry_impl.h
index fa2c88e9614ec8db0e57e2a3d5ee221c228e1203..4fbe205ab3d296538e292e7fba52a88001687aa5 100644
--- a/content/browser/frame_host/navigation_entry_impl.h
+++ b/content/browser/frame_host/navigation_entry_impl.h
@@ -221,6 +221,7 @@ class CONTENT_EXPORT NavigationEntryImpl
       scoped_refptr<SiteInstanceImpl> source_site_instance,
       const GURL& url,
       const Referrer& referrer,
+      const std::vector<GURL>& redirect_chain,
       const PageState& page_state,
       const std::string& method,
       int64_t post_id);
@@ -483,11 +484,6 @@ class CONTENT_EXPORT NavigationEntryImpl
   // doing the redirect).
   bool should_replace_entry_;
 
-  // This is used when transferring a pending entry from one process to another.
-  // We also send this data through session sync for offline analysis.
-  // It is preserved after commit but should not be persisted.
-  std::vector<GURL> redirect_chain_;
-
   // This is set to true when this entry's navigation should clear the session
   // history both on the renderer and browser side. The browser side history
   // won't be cleared until the renderer has committed this navigation. This