Adds a way to determine id of content handler that created app

content/browser/frame_host/frame_mojo_shell.h

 // Copyright 2015 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_BROWSER_FRAME_HOST_FRAME_MOJO_SHELL_H_
 #define CONTENT_BROWSER_FRAME_HOST_FRAME_MOJO_SHELL_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "mojo/application/public/interfaces/shell.mojom.h"
@@ skipping 13 matching lines @@
   ~FrameMojoShell() override;
 
   void BindRequest(mojo::InterfaceRequest<mojo::Shell> shell_request);
 
  private:
   // mojo::Shell:
   void ConnectToApplication(
       mojo::URLRequestPtr application_url,
       mojo::InterfaceRequest<mojo::ServiceProvider> services,
       mojo::ServiceProviderPtr exposed_services,
-      mojo::CapabilityFilterPtr filter) override;
+      mojo::CapabilityFilterPtr filter,
+      const ConnectToApplicationCallback& callback) override;
   void QuitApplication() override;
 
   ServiceRegistryImpl* GetServiceRegistry();
 
   RenderFrameHost* frame_host_;
   mojo::WeakBindingSet<mojo::Shell> bindings_;
 
   // ServiceRegistry providing browser services to connected applications.
   scoped_ptr<ServiceRegistryImpl> service_registry_;
   mojo::WeakBindingSet<mojo::ServiceProvider> service_provider_bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameMojoShell);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_FRAME_MOJO_SHELL_H_