Simple multi-url support for mojo apps

mojo/public/cpp/application/application_connection.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 MOJO_PUBLIC_APPLICATION_APPLICATION_CONNECTION_H_
 #define MOJO_PUBLIC_APPLICATION_APPLICATION_CONNECTION_H_
 
 #include <string>
 
 #include "mojo/public/cpp/application/lib/service_connector.h"
@@ skipping 37 matching lines @@
   // service.
   template <typename Interface>
   void ConnectToService(InterfacePtr<Interface>* ptr) {
     if (ServiceProvider* sp = GetServiceProvider()) {
       MessagePipe pipe;
       ptr->Bind(pipe.handle0.Pass());
       sp->ConnectToService(Interface::Name_, pipe.handle1.Pass());
     }
   }
 
+  // Returns the URL that was used by the source application to establish a
+  // connection to the destination application.
+  //
+  // When ApplicationConnection is representing an incoming connection this can
+  // be different than the URL the application was initially loaded from, if the
+  // application handles multiple URLs. Note that this is the URL after all
+  // URL rewriting and HTTP redirects have been performed.
+  //
+  // When ApplicationConnection is representing and outgoing connection, this
+  // will be the same as the value returned by GetRemoveApplicationURL().
+  virtual const std::string& GetConnectionURL() = 0;
+
   // Returns the URL identifying the remote application on this connection.
   virtual const std::string& GetRemoteApplicationURL() = 0;
 
   // Returns the raw proxy to the remote application's ServiceProvider
   // interface. Most applications will just use ConnectToService() instead.
   // Caller does not take ownership.
   virtual ServiceProvider* GetServiceProvider() = 0;
 
  private:
   virtual void AddServiceConnector(
       internal::ServiceConnectorBase* service_connector) = 0;
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_APPLICATION_APPLICATION_CONNECTION_H_