Create RenderFrame/RenderFrameHost for the main frame of a page.

content/public/test/mock_render_thread.cc

Index: content/public/test/mock_render_thread.cc
diff --git a/content/public/test/mock_render_thread.cc b/content/public/test/mock_render_thread.cc
index c6807600abf4d9aeca089c70defc3dd6a0bc7ed5..0de0ce6385601408c499060548956c2cb0cb12c5 100644
--- a/content/public/test/mock_render_thread.cc
+++ b/content/public/test/mock_render_thread.cc
@@ -14,7 +14,11 @@
 namespace content {
 
 MockRenderThread::MockRenderThread()
-    : routing_id_(0), surface_id_(0), opener_id_(0), new_window_routing_id_(0) {
+    : routing_id_(0),
+      surface_id_(0),
+      opener_id_(0),
+      new_window_routing_id_(0),
+      new_window_main_frame_routing_id_(0) {
 }
 
 MockRenderThread::~MockRenderThread() {
@@ -208,9 +212,11 @@ void MockRenderThread::OnCreateWidget(int opener_id,
 void MockRenderThread::OnCreateWindow(
     const ViewHostMsg_CreateWindow_Params& params,
     int* route_id,
+    int* main_frame_route_id,
     int* surface_id,
     int64* cloned_session_storage_namespace_id) {
   *route_id = new_window_routing_id_;
+  *main_frame_route_id = new_window_main_frame_routing_id_;
   *surface_id = surface_id_;
   *cloned_session_storage_namespace_id = 0;
 }