Service CreateNewWindow on the UI thread with a new mojo interface

content/renderer/render_frame_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 666 matching lines @@
   // WebFrameSerializerClient implementation:
   void DidSerializeDataForFrame(
       const blink::WebCString& data,
       blink::WebFrameSerializerClient::FrameSerializationStatus status)
       override;
 
   // Binds to the site engagement service in the browser.
   void BindEngagement(blink::mojom::EngagementClientAssociatedRequest request);
 
   // Binds to the FrameHost in the browser.
-  void BindFrame(mojom::FrameRequest request, mojom::FrameHostPtr frame_host);
+  void BindFrame(mojom::FrameRequest request,
+                 mojom::FrameHostInterfaceBrokerPtr frame_host);
+
+  // Virtual so the test render frame can flush the interface.
+  virtual mojom::FrameHostAssociatedPtr GetFrameHost();
 
   void BindFrameBindingsControl(
       mojom::FrameBindingsControlAssociatedRequest request);
 
   ManifestManager* manifest_manager();
 
   // TODO(creis): Remove when the only caller, the HistoryController, is no
   // more.
   void SetPendingNavigationParams(
       std::unique_ptr<NavigationParams> navigation_params);
@@ skipping 674 matching lines @@
 #endif
 
   HostZoomLevels host_zoom_levels_;
   EngagementOriginAndLevel engagement_level_;
 
   mojo::AssociatedBinding<blink::mojom::EngagementClient> engagement_binding_;
   mojo::Binding<mojom::Frame> frame_binding_;
   mojo::AssociatedBinding<mojom::HostZoom> host_zoom_binding_;
   mojo::AssociatedBinding<mojom::FrameBindingsControl>
       frame_bindings_control_binding_;
-  mojom::FrameHostPtr frame_host_;
+  mojom::FrameHostInterfaceBrokerPtr frame_host_interface_broker_;
 
   // Indicates whether |didAccessInitialDocument| was called.
   bool has_accessed_initial_document_;
 
   AssociatedInterfaceRegistryImpl associated_interfaces_;
   std::unique_ptr<AssociatedInterfaceProviderImpl>
       remote_associated_interfaces_;
 
   // TODO(dcheng): Remove these members.
   bool committed_first_load_ = false;
@@ skipping 29 matching lines @@
   std::unique_ptr<PendingNavigationInfo> pending_navigation_info_;
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_