PlzNavigate: Make ServiceWorker work with PlzNavigate.

content/public/browser/navigation_handle.cc

Index: content/public/browser/navigation_handle.cc
diff --git a/content/public/browser/navigation_handle.cc b/content/public/browser/navigation_handle.cc
index f5eaa118425d17c5068ee3b31a368c68f7215015..ffd817ac9069e4ee8428c84f97db669872824117 100644
--- a/content/public/browser/navigation_handle.cc
+++ b/content/public/browser/navigation_handle.cc
@@ -6,6 +6,7 @@
 
 #include "content/browser/frame_host/navigation_handle_impl.h"
 #include "content/browser/frame_host/navigator.h"
+#include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 
 namespace content {
@@ -21,9 +22,10 @@ WebContents* NavigationHandle::GetWebContents() {
 scoped_ptr<NavigationHandle> NavigationHandle::CreateNavigationHandleForTesting(
     const GURL& url,
     bool is_main_frame,
-    WebContents* web_contents) {
+    RenderFrameHost* render_frame_host) {
   scoped_ptr<NavigationHandleImpl> handle_impl = NavigationHandleImpl::Create(
-      url, is_main_frame, static_cast<WebContentsImpl*>(web_contents));
+      url, is_main_frame,
+      static_cast<RenderFrameHostImpl*>(render_frame_host)->frame_tree_node());
   return scoped_ptr<NavigationHandle>(handle_impl.Pass());
 }