Move out DidStartProvisionalLoad from WebContentsImpl into Navigator.

content/test/test_render_frame_host_factory.cc

Index: content/test/test_render_frame_host_factory.cc
diff --git a/content/test/test_render_frame_host_factory.cc b/content/test/test_render_frame_host_factory.cc
index 8bf5b888731a26abb88ed5ac3047af2745b4ab63..d2e740e3aee48e83cf5bd6ea725cd15ec4562b0a 100644
--- a/content/test/test_render_frame_host_factory.cc
+++ b/content/test/test_render_frame_host_factory.cc
@@ -24,11 +24,13 @@ TestRenderFrameHostFactory::CreateRenderFrameHost(
     RenderViewHostImpl* render_view_host,
     RenderFrameHostDelegate* delegate,
     FrameTree* frame_tree,
+    FrameTreeNode* frame_tree_node,
     int routing_id,
     bool is_swapped_out) {
   return make_scoped_ptr(
       new TestRenderFrameHost(
-          render_view_host, delegate, frame_tree, routing_id, is_swapped_out))
+          render_view_host, delegate, frame_tree, frame_tree_node, routing_id,
+          is_swapped_out))
       .PassAs<RenderFrameHostImpl>();
 }