Extract a Connector interface from Shell that can be cloned & passed to other threads

content/renderer/render_frame_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 6061 matching lines @@
 mojo::shell::mojom::InterfaceProviderPtr RenderFrameImpl::ConnectToApplication(
     const GURL& url) {
   if (!mojo_shell_)
     GetServiceRegistry()->ConnectToRemoteService(mojo::GetProxy(&mojo_shell_));
   mojo::shell::mojom::InterfaceProviderPtr interface_provider;
   mojo::shell::mojom::CapabilityFilterPtr filter(
       mojo::shell::mojom::CapabilityFilter::New());
   mojo::Array<mojo::String> all_interfaces;
   all_interfaces.push_back("*");
   filter->filter.insert("*", std::move(all_interfaces));
-  mojo_shell_->Connect(
-      url.spec(), mojo::shell::mojom::Shell::kUserInherit,
+  mojo::shell::mojom::ConnectorPtr connector;
+  mojo_shell_->GetConnector(GetProxy(&connector));
+  connector->Connect(
+      url.spec(), mojo::shell::mojom::Connector::kUserInherit,
       GetProxy(&interface_provider), nullptr, std::move(filter),
       base::Bind(&OnGotInstanceID));
   return interface_provider;
 }
 
 media::RendererWebMediaPlayerDelegate*
 RenderFrameImpl::GetWebMediaPlayerDelegate() {
   if (!media_player_delegate_)
     media_player_delegate_ = new media::RendererWebMediaPlayerDelegate(this);
   return media_player_delegate_;
@@ skipping 28 matching lines @@
                                     int match_count,
                                     int ordinal,
                                     const WebRect& selection_rect,
                                     bool final_status_update) {
   Send(new FrameHostMsg_Find_Reply(routing_id_, request_id, match_count,
                                    selection_rect, ordinal,
                                    final_status_update));
 }
 
 }  // namespace content