Pass application ids via AcceptConnection & ConnectToApplication callback.

mojo/shell/application_manager.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_APPLICATION_MANAGER_H_
 #define MOJO_SHELL_APPLICATION_MANAGER_H_
 
 #include <map>
 #include <utility>
 #include <vector>
@@ skipping 86 matching lines @@
 
   void CreateInstanceForHandle(
       ScopedHandle channel,
       const GURL& url,
       CapabilityFilterPtr filter,
       InterfaceRequest<mojom::PIDReceiver> pid_receiver);
   void AddListener(mojom::ApplicationManagerListenerPtr listener);
   void GetRunningApplications(
       const Callback<void(Array<mojom::ApplicationInfoPtr>)>& callback);
 
-  void ApplicationPIDAvailable(int id, base::ProcessId pid);
+  void ApplicationPIDAvailable(uint32_t id, base::ProcessId pid);
 
  private:
   using IdentityToInstanceMap = std::map<Identity, ApplicationInstance*>;
   using URLToLoaderMap = std::map<GURL, ApplicationLoader*>;
 
   // Takes the contents of |params| only when it returns true.
   bool ConnectToRunningApplication(
       scoped_ptr<ConnectToApplicationParams>* params);
 
   InterfaceRequest<Application> CreateAndConnectToInstance(
@@ skipping 43 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ApplicationManager);
 };
 
 Shell::ConnectToApplicationCallback EmptyConnectCallback();
 
 }  // namespace shell
 }  // namespace mojo
 
 #endif  // MOJO_SHELL_APPLICATION_MANAGER_H_