Fix user agent override restore pipeline

chrome/browser/ui/browser_tabrestore.h

Index: chrome/browser/ui/browser_tabrestore.h
diff --git a/chrome/browser/ui/browser_tabrestore.h b/chrome/browser/ui/browser_tabrestore.h
index 9dfddfb03408eebafc93245a8630749aa6b6a53c..a951a7c462a96f1936c5ca2d80f6399ff54d5e70 100644
--- a/chrome/browser/ui/browser_tabrestore.h
+++ b/chrome/browser/ui/browser_tabrestore.h
@@ -31,7 +31,9 @@ int GetIndexForInsertionDuringRestore(Browser* browser, int relative_index);
 // non-empty the tab is an app tab and |extension_app_id| is the id of the
 // extension. If |pin| is true and |tab_index|/ is the last pinned tab, then
 // the newly created tab is pinned. If |from_last_session| is true,
-// |navigations| are from the previous session.
+// |navigations| are from the previous session. |user_agent_override| contains
+// the string being used as the user agent for all of the tab's navigations when
+// the regular user agent is overridden.
 content::WebContents* AddRestoredTab(
     Browser* browser,
     const std::vector<TabNavigation>& navigations,
@@ -41,7 +43,8 @@ content::WebContents* AddRestoredTab(
     bool select,
     bool pin,
     bool from_last_session,
-    content::SessionStorageNamespace* storage_namespace);
+    content::SessionStorageNamespace* storage_namespace,
+    const std::string& user_agent_override);
 
 // Replaces the state of the currently selected tab with the session
 // history restored from the SessionRestore system.
@@ -51,7 +54,8 @@ void ReplaceRestoredTab(
     int selected_navigation,
     bool from_last_session,
     const std::string& extension_app_id,
-    content::SessionStorageNamespace* session_storage_namespace);
+    content::SessionStorageNamespace* session_storage_namespace,
+    const std::string& user_agent_override);
 
 
 }  // namespace chrome