Use unique URLs rather than qualifiers to uniquify RenderProcesses.

mojo/shell/shell_application_delegate.h

 // Copyright 2015 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_SHELL_APPLICATION_DELEGATE_H_
 #define MOJO_SHELL_SHELL_APPLICATION_DELEGATE_H_
 
 #include "mojo/application/public/cpp/application_delegate.h"
 
 #include "base/macros.h"
@@ skipping 18 matching lines @@
   void Initialize(ApplicationImpl* app) override;
   bool ConfigureIncomingConnection(ApplicationConnection* connection) override;
 
   // Overridden from InterfaceFactory<mojom::ApplicationManager>:
   void Create(
       ApplicationConnection* connection,
       InterfaceRequest<mojom::ApplicationManager> request) override;
 
   // Overridden from mojom::ApplicationManager:
   void CreateInstanceForHandle(ScopedHandle channel,
-                               const String& url,
-                               const String& qualifier) override;
+                               const String& url) override;
 
   mojo::shell::ApplicationManager* manager_;
 
   WeakBindingSet<mojom::ApplicationManager> bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellApplicationDelegate);
 };
 
 }  // namespace shell
 }  // namespace mojo
 
 #endif  // MOJO_SHELL_SHELL_APPLICATION_DELEGATE_H_