Remove some InterfacePtr<> methods which directly deal with message pipe handles.

sky/viewer/internals.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 "sky/engine/config.h"
 #include "sky/viewer/internals.h"
 
 #include "mojo/public/cpp/application/connect.h"
 #include "mojo/public/cpp/bindings/array.h"
 #include "sky/engine/public/web/WebDocument.h"
@@ skipping 154 matching lines @@
   return document_view_->TakeServiceRegistry().release();
 }
 
 // Returns a MessagePipe handle that's connected to this Shell. The caller
 // owns the handle and is expected to use it to create the JS Application for
 // the DocumentView.
 mojo::Handle Internals::TakeShellProxyHandle() {
   mojo::ShellPtr shell;
   if (!shell_binding_.is_bound())
     shell_binding_.Bind(GetProxy(&shell));
-  return shell.PassMessagePipe().release();
+  return shell.PassInterface().PassHandle().release();
 }
 
 void Internals::ConnectToApplication(
     const mojo::String& application_url,
     mojo::InterfaceRequest<mojo::ServiceProvider> services,
     mojo::ServiceProviderPtr exposed_services) {
   if (document_view_) {
     document_view_->shell()->ConnectToApplication(
         application_url, services.Pass(), exposed_services.Pass());
   }
 }
 
 }  // namespace sky