Move creation and ownership of ResourceDispatcherHost and PluginService to content. This gives a ...

content/browser/renderer_host/resource_dispatcher_host.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.
 
 // This is the browser side of the resource dispatcher, it receives requests
 // from the child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and
 // dispatches them to URLRequests. It then forwards the messages from the
 // URLRequests back to the correct process for handling.
 //
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
@@ skipping 41 matching lines @@
 class CookieList;
 class URLRequestJobFactory;
 }  // namespace net
 
 namespace webkit_blob {
 class DeletableFileReference;
 }
 
 class CONTENT_EXPORT ResourceDispatcherHost : public net::URLRequest::Delegate {
  public:
-  explicit ResourceDispatcherHost(
-      const ResourceQueue::DelegateSet& resource_queue_delegates);
+  ResourceDispatcherHost();
   virtual ~ResourceDispatcherHost();
 
-  void Initialize();
+  // Returns the current ResourceDispatcherHost, creating it if necessary. The
+  // first time this is called must be on the UI thread, but after that it can
+  // be called from the IO thread as well.
+  static ResourceDispatcherHost* Get();
+
+  // Returns true if the ResourceDispatcherHost has been created (i.e. Get() has
+  // been called).
+  static bool IsCreated();
 
   // Puts the resource dispatcher host in an inactive state (unable to begin
   // new requests).  Cancels all pending requests.
   void Shutdown();
 
+  // Destructs the current ResourceDispatcherHost.
+  void Destruct();
+
+  // Adds a delegate that can delay requests. This should be called early, i.e.
+  // in the ContentBrowserClient::ResourceDispatcherHostCreated callback.
+  void AddResourceQueueDelegate(ResourceQueueDelegate* delegate);
+
   // Returns true if the message was a resource message that was processed.
   // If it was, message_was_ok will be false iff the message was corrupt.
   bool OnMessageReceived(const IPC::Message& message,
                          ResourceMessageFilter* filter,
                          bool* message_was_ok);
 
   // Initiates a download by explicit request of the renderer, e.g. due to
   // alt-clicking a link.  If |request| is malformed or not permitted or the RDH
   // is shutting down, then |started_cb| will be called immediately. There is no
   // situation in which |started_cb| will never be called.
@@ skipping 373 matching lines @@
       RegisteredTempFiles;  // key is child process id
   RegisteredTempFiles registered_temp_files_;
 
   // A timer that periodically calls UpdateLoadStates while pending_requests_
   // is not empty.
   base::RepeatingTimer<ResourceDispatcherHost> update_load_states_timer_;
 
   // Handles the resource requests from the moment we want to start them.
   ResourceQueue resource_queue_;
 
+  // Used temporarily during construction.
+  ResourceQueue::DelegateSet* temporarily_delegate_set_;
+
   // We own the download file writing thread and manager
   scoped_refptr<DownloadFileManager> download_file_manager_;
 
   // We own the save file manager.
   scoped_refptr<SaveFileManager> save_file_manager_;
 
   // Request ID for browser initiated requests. request_ids generated by
   // child processes are counted up from 0, while browser created requests
   // start at -2 and go down from there. (We need to start at -2 because -1 is
   // used as a special value all over the resource_dispatcher_host for
@@ skipping 44 matching lines @@
   // Maps the request ID of request that is being transferred to a new RVH
   // to the respective request.
   typedef std::map<content::GlobalRequestID, net::URLRequest*>
       TransferredNavigations;
   TransferredNavigations transferred_navigations_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_DISPATCHER_HOST_H_