Revert of Make RenderFrame(Host) own a RenderWidget(Host).

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 5bb55c54670afe8d1c18c572fa45218c95f86456..2085089110bd77736169b46b0837fd79dd0023a6 100644
--- a/content/test/test_render_frame_host_factory.cc
+++ b/content/test/test_render_frame_host_factory.cc
@@ -23,14 +23,13 @@
 TestRenderFrameHostFactory::CreateRenderFrameHost(
     RenderViewHostImpl* render_view_host,
     RenderFrameHostDelegate* delegate,
-    RenderWidgetHostDelegate* rwh_delegate,
     FrameTree* frame_tree,
     FrameTreeNode* frame_tree_node,
     int routing_id,
     int flags) {
-  return make_scoped_ptr(
-      new TestRenderFrameHost(render_view_host, delegate, rwh_delegate,
-                              frame_tree, frame_tree_node, routing_id, flags));
+  return make_scoped_ptr(new TestRenderFrameHost(render_view_host, delegate,
+                                                 frame_tree, frame_tree_node,
+                                                 routing_id, flags));
 }
 
 }  // namespace content