Revert 221619 "Initial chrome.mdns API."

trunk/src/chrome/browser/extensions/api/mdns/mdns_api.h

Index: trunk/src/chrome/browser/extensions/api/mdns/mdns_api.h
===================================================================
--- trunk/src/chrome/browser/extensions/api/mdns/mdns_api.h	(revision 221667)
+++ trunk/src/chrome/browser/extensions/api/mdns/mdns_api.h	(working copy)
@@ -1,80 +0,0 @@
-// Copyright 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 CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_
-#define CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_
-
-#include <set>
-#include <string>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/thread_checker.h"
-#include "chrome/browser/extensions/api/mdns/dns_sd_registry.h"
-#include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
-#include "chrome/browser/extensions/event_router.h"
-
-namespace extensions {
-
-class DnsSdRegistry;
-
-// MDnsAPI is instantiated with the profile and will listen for extensions that
-// register listeners for the chrome.mdns extension API. It will use a registry
-// class to start the mDNS listener process (if necessary) and observe new
-// service events to dispatch them to registered extensions.
-class MDnsAPI : public ProfileKeyedAPI,
-                public EventRouter::Observer,
-                public DnsSdRegistry::DnsSdObserver {
- public:
-  explicit MDnsAPI(Profile* profile);
-  virtual ~MDnsAPI();
-
-  static MDnsAPI* Get(Profile* profile);
-
-  // ProfileKeyedAPI implementation.
-  static ProfileKeyedAPIFactory<MDnsAPI>* GetFactoryInstance();
-
-  // Used to mock out the DnsSdRegistry for testing.
-  void SetDnsSdRegistryForTesting(scoped_ptr<DnsSdRegistry> registry);
-
- protected:
-  // Retrieve an instance of the registry. Lazily created when needed.
-  virtual DnsSdRegistry* dns_sd_registry();
-
- private:
-  friend class ProfileKeyedAPIFactory<MDnsAPI>;
-
-  // EventRouter::Observer:
-  virtual void OnListenerAdded(const EventListenerInfo& details) OVERRIDE;
-  virtual void OnListenerRemoved(const EventListenerInfo& details) OVERRIDE;
-
-  // DnsSdRegistry::Observer
-  virtual void OnDnsSdEvent(
-      const std::string& service_type,
-      const DnsSdRegistry::DnsSdServiceList& services) OVERRIDE;
-
-  // ProfileKeyedAPI implementation.
-  static const char* service_name() {
-    return "MDnsAPI";
-  }
-
-  static const bool kServiceIsCreatedWithBrowserContext = true;
-  static const bool kServiceIsNULLWhileTesting = true;
-
-  // Update the current list of service types and update the registry.
-  void UpdateMDnsListeners(const EventListenerInfo& details);
-
-  // Ensure methods are only called on UI thread.
-  base::ThreadChecker thread_checker_;
-  Profile* const profile_;
-  // Lazily created on first access and destroyed with this API class.
-  scoped_ptr<DnsSdRegistry> dns_sd_registry_;
-  // Current set of service types registered with the registry.
-  std::set<std::string> service_types_;
-
-  DISALLOW_COPY_AND_ASSIGN(MDnsAPI);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_