Part 2 of base::IDMap refactor to eliminate IDMapOwnPointer/IDMapExternalPointer modes

chrome/browser/service_process/service_process_control.h

 // Copyright (c) 2012 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 CHROME_BROWSER_SERVICE_PROCESS_SERVICE_PROCESS_CONTROL_H_
 #define CHROME_BROWSER_SERVICE_PROCESS_SERVICE_PROCESS_CONTROL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 49 matching lines @@
     SERVICE_EVENT_CHANNEL_ERROR,
     SERVICE_EVENT_INFO_REQUEST,
     SERVICE_EVENT_INFO_REPLY,
     SERVICE_EVENT_HISTOGRAMS_REQUEST,
     SERVICE_EVENT_HISTOGRAMS_REPLY,
     SERVICE_PRINTERS_REQUEST,
     SERVICE_PRINTERS_REPLY,
     SERVICE_EVENT_MAX,
   };
 
-  typedef IDMap<ServiceProcessControl>::iterator iterator;
-  typedef std::queue<IPC::Message> MessageQueue;
-  typedef base::Callback<void(const cloud_print::CloudPrintProxyInfo&)>
-      CloudPrintProxyInfoCallback;
-  typedef base::Callback<void(const std::vector<std::string>&)>
-      PrintersCallback;
+  using iterator = IDMap<ServiceProcessControl*>::iterator;
+  using MessageQueue = std::queue<IPC::Message>;
+  using CloudPrintProxyInfoCallback =
+      base::Callback<void(const cloud_print::CloudPrintProxyInfo&)>;
+  using PrintersCallback =
+      base::Callback<void(const std::vector<std::string>&)>;
 
   // Returns the singleton instance of this class.
   static ServiceProcessControl* GetInstance();
 
   // Return true if this object is connected to the service.
   // Virtual for testing.
   virtual bool IsConnected() const;
 
   // If no service process is currently running, creates a new service process
   // and connects to it. If a service process is already running this method
@@ skipping 142 matching lines @@
   // the service process.
   base::Closure histograms_callback_;
 
   content::NotificationRegistrar registrar_;
 
   // Callback that gets invoked if service didn't reply in time.
   base::CancelableClosure histograms_timeout_callback_;
 };
 
 #endif  // CHROME_BROWSER_SERVICE_PROCESS_SERVICE_PROCESS_CONTROL_H_