Remove Gears from Chrome

chrome/browser/chrome_plugin_browsing_context.h

-// Copyright (c) 2011 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_CHROME_PLUGIN_BROWSING_CONTEXT_H_
-#define CHROME_BROWSER_CHROME_PLUGIN_BROWSING_CONTEXT_H_
-#pragma once
-
-#include <map>
-
-#include "base/id_map.h"
-#include "chrome/common/chrome_plugin_api.h"
-#include "content/common/notification_observer.h"
-#include "content/common/notification_registrar.h"
-
-namespace net {
-class URLRequestContext;
-}  // namespace net
-
-// This class manages the mapping between CPBrowsingContexts and
-// net::URLRequestContexts.  It observes when net::URLRequestContexts go away,
-// and invalidates the corresponding CPBrowsingContexts.  CPBrowsingContexts can
-// be associated with other data as well, so there can be multiple ones
-// referring to a given net::URLRequestContext.
-// Note: This class should be used on the IO thread only.
-class CPBrowsingContextManager : public NotificationObserver {
- public:
-  static CPBrowsingContextManager* GetInstance();
-
-  // Note: don't call these directly - use Instance() above.  They are public
-  // so Singleton can access them.
-  CPBrowsingContextManager();
-  ~CPBrowsingContextManager();
-
-  // Generate a new unique CPBrowsingContext ID from the given
-  // net::URLRequestContext.  Multiple CPBrowsingContexts can map to the same
-  // net::URLRequestContext.
-  CPBrowsingContext Allocate(net::URLRequestContext* context);
-
-  // Return the net::URLRequestContext that this CPBrowsingContext refers to, or
-  // NULL if not found.
-  net::URLRequestContext* ToURLRequestContext(CPBrowsingContext id);
-
-  // Return a CPBrowsingContext ID that corresponds to the given
-  // net::URLRequestContext. This function differs from Allocate in that calling
-  // this multiple times with the same argument gives the same ID.
-  CPBrowsingContext Lookup(net::URLRequestContext* context);
-
- private:
-  // NotificationObserver
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details);
-
-  typedef IDMap<net::URLRequestContext> Map;
-  typedef std::map<net::URLRequestContext*, CPBrowsingContext> ReverseMap;
-
-  NotificationRegistrar registrar_;
-
-  Map map_;  // map of CPBrowsingContext -> net::URLRequestContext
-  ReverseMap reverse_map_; // map of net::URLRequestContext -> CPBrowsingContext
-};
-
-#endif  // CHROME_BROWSER_CHROME_PLUGIN_BROWSING_CONTEXT_H_