Enable HTTP loading in Mojo dart content handler

services/dart/dart_app.h

 // 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.
 
 #ifndef SERVICES_DART_DART_APP_H_
 #define SERVICES_DART_DART_APP_H_
 
 #include "base/files/scoped_temp_dir.h"
 #include "mojo/application/content_handler_factory.h"
 #include "mojo/dart/embedder/dart_controller.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 #include "mojo/public/interfaces/application/application.mojom.h"
 #include "mojo/public/interfaces/application/shell.mojom.h"
 
 namespace dart {
 
 class DartApp;
 class ApplicationDelegateImpl;
 
 // Each Dart app started by content handler runs on its own thread and
 // in its own Dart isolate. This class represents one running Dart app.
 
 class DartApp : public mojo::ContentHandlerFactory::HandledApplicationHolder {
  public:
+  // When running from an extracted zip file.
   DartApp(mojo::InterfaceRequest<mojo::Application> application_request,
           const base::FilePath& application_dir,
           bool strict);
+  // When running from a dart file.
+  DartApp(mojo::InterfaceRequest<mojo::Application> application_request,
+          const std::string& url,
+          bool strict);
   virtual ~DartApp();
 
  private:
   void OnAppLoaded();
 
   mojo::InterfaceRequest<mojo::Application> application_request_;
   mojo::dart::DartControllerConfig config_;
   base::FilePath application_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(DartApp);
 };
 
 }  // namespace dart
 
 #endif  // SERVICES_DART_DART_APP_H_