Pass ServiceProvider thru ViewManagerService::Embed() allowing embedder & embeddee to expose servic…

mojo/examples/wm_flow/init/init.cc

 // Copyright 2014 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 "base/bind.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
+#include "mojo/public/cpp/application/service_provider_impl.h"
+#include "mojo/public/interfaces/application/service_provider.mojom.h"
 #include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
 
 namespace examples {
 namespace {
 void ConnectCallback(bool success) {}
 }  // namespace
 
 // This application starts the view manager, embeds the window manager and then
 // starts another app (wm_flow_app) which also connects to the view manager and
 // asks to be embedded without context.
 class WMFlowInit : public mojo::ApplicationDelegate {
  public:
   WMFlowInit() {}
   virtual ~WMFlowInit() {}
 
  private:
   // Overridden from Application:
   virtual void Initialize(mojo::ApplicationImpl* app) MOJO_OVERRIDE {
     app->ConnectToService("mojo:mojo_view_manager", &view_manager_init_);
-    view_manager_init_->Embed("mojo:mojo_wm_flow_wm",
+    mojo::ServiceProviderPtr sp;
+    mojo::BindToProxy(new mojo::ServiceProviderImpl, &sp);
+    view_manager_init_->Embed("mojo:mojo_wm_flow_wm", sp.Pass(),
                               base::Bind(&ConnectCallback));
     app->ConnectToApplication("mojo:mojo_wm_flow_app");
   }
 
   void OnConnect(bool success) {}
 
   mojo::ViewManagerInitServicePtr view_manager_init_;
 
   DISALLOW_COPY_AND_ASSIGN(WMFlowInit);
 };
 
 }  // namespace examples
 
 namespace mojo {
 
 // static
 ApplicationDelegate* ApplicationDelegate::Create() {
   return new examples::WMFlowInit;
 }
 
 }  // namespace