Fix user agent override restore pipeline

chrome/browser/sessions/session_restore.cc

Index: chrome/browser/sessions/session_restore.cc
diff --git a/chrome/browser/sessions/session_restore.cc b/chrome/browser/sessions/session_restore.cc
index c1264ff3e5db11a04914bc7e751372ed234b502d..e38e21ce57842c2ab41351496ae2feeb8276b1c1 100644
--- a/chrome/browser/sessions/session_restore.cc
+++ b/chrome/browser/sessions/session_restore.cc
@@ -593,7 +593,8 @@ class SessionRestoreImpl : public content::NotificationObserver {
                                  selected_index,
                                  true,
                                  tab.extension_app_id,
-                                 NULL);
+                                 NULL,
+                                 tab.user_agent_override);
     } else {
       int tab_index = use_new_window ? 0 : browser->active_index() + 1;
       WebContents* web_contents = chrome::AddRestoredTab(
@@ -605,7 +606,8 @@ class SessionRestoreImpl : public content::NotificationObserver {
           false,  // selected
           tab.pinned,
           true,
-          NULL);
+          NULL,
+          tab.user_agent_override);
       // Start loading the tab immediately.
       web_contents->GetController().LoadIfNecessary();
     }
@@ -904,7 +906,8 @@ class SessionRestoreImpl : public content::NotificationObserver {
                                false,  // select
                                tab.pinned,
                                true,
-                               session_storage_namespace.get());
+                               session_storage_namespace.get(),
+                               tab.user_agent_override);
     // Regression check: check that the tab didn't start loading right away. The
     // focused tab will be loaded by Browser, and TabLoader will load the rest.
     DCHECK(web_contents->GetController().NeedsReload());