Use instance name to uniquify renderers.

mojo/shell/public/cpp/connector.h

 // Copyright 2016 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_CONNECTOR_H_
 #define MOJO_SHELL_PUBLIC_CPP_CONNECTOR_H_
 
 #include "mojo/shell/public/cpp/connection.h"
 #include "mojo/shell/public/cpp/identity.h"
 #include "mojo/shell/public/interfaces/connector.mojom.h"
@@ skipping 44 matching lines @@
 
   // Connect to application identified by |request->name| and connect to the
   // service implementation of the interface identified by |Interface|.
   template <typename Interface>
   void ConnectToInterface(ConnectParams* params, InterfacePtr<Interface>* ptr) {
     scoped_ptr<Connection> connection = Connect(params);
     if (connection)
       connection->GetInterface(ptr);
   }
   template <typename Interface>
+  void ConnectToInterface(const Identity& target,
+                          InterfacePtr<Interface>* ptr) {
+    ConnectParams params(target);
+    return ConnectToInterface(&params, ptr);
+  }
+  template <typename Interface>
   void ConnectToInterface(const std::string& name,
                           InterfacePtr<Interface>* ptr) {
     ConnectParams params(name);
     return ConnectToInterface(&params, ptr);
   }
 
   // Creates a new instance of this class which may be passed to another thread.
   // The returned object may be passed multiple times until Connect() is called,
   // at which point this method must be called again to pass again.
   virtual scoped_ptr<Connector> Clone() = 0;
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SHELL_PUBLIC_CPP_CONNECTOR_H_