PlzNavigate: implement RequestNavigation in the no live renderer case

content/browser/frame_host/navigation_request.h

Index: content/browser/frame_host/navigation_request.h
diff --git a/content/browser/frame_host/navigation_request.h b/content/browser/frame_host/navigation_request.h
index d8be70ba1bee21c7df45b73a99e291d60ee8f863..6cc1cd2fe98b6bcaf4a44e74ae2e4f66ffeb3eca 100644
--- a/content/browser/frame_host/navigation_request.h
+++ b/content/browser/frame_host/navigation_request.h
@@ -12,6 +12,7 @@
 namespace content {
 class ResourceRequestBody;
 
+// PlzNavigate
 // A UI thread object that owns a navigation request until it commits. It
 // ensures the UI thread can start a navigation request in the
 // ResourceDispatcherHost (that lives on the IO thread).
@@ -23,7 +24,7 @@ class NavigationRequest {
 
   ~NavigationRequest();
 
-  const NavigationRequestInfo& info_for_testing() const { return info_; }
+  const NavigationRequestInfo& info() const { return info_; }
   int64 frame_node_id() const { return frame_node_id_; }
 
   // Called on the UI thread by the RenderFrameHostManager which owns the