Add a user id parameter to connections

mojo/shell/public/cpp/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_SHELL_PUBLIC_CPP_CONNECTION_H_
 #define MOJO_SHELL_PUBLIC_CPP_CONNECTION_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 64 matching lines @@
   // application handles multiple URLs. Note that this is the URL after all
   // URL rewriting and HTTP redirects have been performed.
   //
   // When Connection 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 User ID for the remote application.
+  virtual uint32_t GetRemoteUserID() const = 0;
+
   // Register a handler to receive an error notification on the pipe to the
   // remote application's InterfaceProvider.
   virtual void SetRemoteInterfaceProviderConnectionErrorHandler(
       const Closure& handler) = 0;
 
   // Returns the id of the remote application. For Connections created via
   // Shell::Connect(), this will not be determined until Connect()'s callback is
   // run, and this function will return false. Use AddRemoteIDCallback() to
   // schedule a callback to be run when the remote application id is available.
   // A value of Shell::kInvalidApplicationID indicates the connection has not
@@ skipping 16 matching lines @@
 
  protected:
   virtual InterfaceRegistry* GetLocalRegistry() = 0;
 
   virtual base::WeakPtr<Connection> GetWeakPtr() = 0;
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SHELL_PUBLIC_CPP_CONNECTION_H_