Move resource_context.h to content/public/browser. Remove the workaround in its destructor since ...

content/browser/resource_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 CONTENT_BROWSER_RESOURCE_CONTEXT_H_
-#define CONTENT_BROWSER_RESOURCE_CONTEXT_H_
-
-#include <map>
-
-#include "base/basictypes.h"
-#include "base/callback_forward.h"
-#include "base/memory/ref_counted.h"
-#include "content/common/content_export.h"
-
-class AudioManager;
-class ChromeAppCacheService;
-class ChromeBlobStorageContext;
-class MediaObserver;
-namespace fileapi {
-class FileSystemContext;
-}  // namespace fileapi
-namespace media_stream {
-class MediaStreamManager;
-}  // namespace media_stream
-namespace net {
-class HostResolver;
-class URLRequestContext;
-}  // namespace net
-namespace quota {
-class QuotaManager;
-};  // namespace quota
-namespace webkit_database {
-class DatabaseTracker;
-}  // namespace webkit_database
-
-namespace content {
-
-class HostZoomMap;
-
-// ResourceContext contains the relevant context information required for
-// resource loading. It lives on the IO thread, although it is constructed on
-// the UI thread.
-class CONTENT_EXPORT ResourceContext {
- public:
-   virtual ~ResourceContext();
-
-  virtual net::HostResolver* GetHostResolver() = 0;
-  virtual net::URLRequestContext* GetRequestContext() = 0;
-  virtual ChromeAppCacheService* GetAppCacheService() = 0;
-  virtual webkit_database::DatabaseTracker* GetDatabaseTracker() = 0;
-  virtual fileapi::FileSystemContext* GetFileSystemContext() = 0;
-  virtual ChromeBlobStorageContext* GetBlobStorageContext() = 0;
-  virtual quota::QuotaManager* GetQuotaManager() = 0;
-  virtual HostZoomMap* GetHostZoomMap() = 0;
-  virtual MediaObserver* GetMediaObserver() = 0;
-  virtual media_stream::MediaStreamManager* GetMediaStreamManager() = 0;
-  virtual AudioManager* GetAudioManager() = 0;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RESOURCE_CONTEXT_H_