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 beb9a769fd5261cb3b41b867386da8270745b46e..c3b39a938f03fd90d14154793222ed223d022f6a 100644
--- a/content/browser/frame_host/navigation_entry_impl.h
+++ b/content/browser/frame_host/navigation_entry_impl.h
@@ -224,6 +224,7 @@ 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);
@@ -502,11 +503,6 @@ 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