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

mojo/examples/demo_launcher/demo_launcher.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/basictypes.h"
 #include "base/bind.h"
 #include "base/run_loop.h"
 #include "mojo/public/cpp/application/application_connection.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 mojo {
 namespace examples {
 
 class DemoLauncher : public ApplicationDelegate {
  public:
   DemoLauncher() {}
   virtual ~DemoLauncher() {}
 
  private:
   virtual void Initialize(ApplicationImpl* app) MOJO_OVERRIDE {
     app->ConnectToService("mojo:mojo_view_manager", &view_manager_init_);
   }
 
   virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
       MOJO_OVERRIDE {
-    view_manager_init_->Embed("mojo:mojo_window_manager",
+    ServiceProviderPtr sp;
+    BindToProxy(new ServiceProviderImpl, &sp);
+    view_manager_init_->Embed("mojo:mojo_window_manager", sp.Pass(),
                               base::Bind(&DemoLauncher::OnConnect,
                                          base::Unretained(this)));
     return true;
   }
 
   void OnConnect(bool success) {}
 
   ViewManagerInitServicePtr view_manager_init_;
 
   DISALLOW_COPY_AND_ASSIGN(DemoLauncher);
 };
 
 }  // namespace examples
 
 // static
 ApplicationDelegate* ApplicationDelegate::Create() {
   return new examples::DemoLauncher;
 }
 
 }  // namespace mojo