Simple multi-url support for mojo apps

mojo/public/cpp/application/application_connection.h

Index: mojo/public/cpp/application/application_connection.h
diff --git a/mojo/public/cpp/application/application_connection.h b/mojo/public/cpp/application/application_connection.h
index 5990be3524c3abd873ae852bb08c769e648aaa9b..8406235215b0341207f3da876392b0e6384178d4 100644
--- a/mojo/public/cpp/application/application_connection.h
+++ b/mojo/public/cpp/application/application_connection.h
@@ -55,6 +55,18 @@ class ApplicationConnection {
     }
   }
 
+  // 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;