DevTools: return remote debugging targets sorted by last active time (as it was long ago).

content/public/browser/devtools_external_agent_proxy_delegate.h

 // Copyright (c) 2013 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 CONTENT_PUBLIC_BROWSER_DEVTOOLS_EXTERNAL_AGENT_PROXY_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_DEVTOOLS_EXTERNAL_AGENT_PROXY_DELEGATE_H_
 
 #include <string>
 
 #include "content/common/content_export.h"
@@ skipping 33 matching lines @@
 
   // Activates agent host.
   virtual bool Activate() = 0;
 
   // Reloads agent host.
   virtual void Reload() = 0;
 
   // Reloads agent host.
   virtual bool Close() = 0;
 
+  // Returns the time when the host was last active.
+  virtual base::TimeTicks GetLastActivityTime() = 0;
+
   // Sends a message to the agent.
   virtual void SendMessageToBackend(const std::string& message) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_DEVTOOLS_EXTERNAL_AGENT_PROXY_DELEGATE_H_