Teach mojo_shell how to load http URLs

mojo/shell/app_container.h

 // Copyright (c) 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 MOJO_SHELL_APP_CONTAINER_H_
 #define MOJO_SHELL_APP_CONTAINER_H_
 
 #include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "mojo/public/system/core.h"
 
 namespace base {
+class FilePath;
 class Thread;
 }
 
 namespace mojo {
 namespace shell {
 
 // A container class that runs an app on its own thread.
 class AppContainer {
  public:
   AppContainer();
@@ skipping 11 matching lines @@
   // Following members are valid only on app thread.
   Handle shell_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(AppContainer);
 };
 
 }  // namespace shell
 }  // namespace mojo
 
 #endif  // MOJO_SHELL_APP_CONTAINER_H_