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

content/browser/renderer_host/resource_dispatcher_host.h

Index: content/browser/renderer_host/resource_dispatcher_host.h
===================================================================
--- content/browser/renderer_host/resource_dispatcher_host.h	(revision 116798)
+++ content/browser/renderer_host/resource_dispatcher_host.h	(working copy)
@@ -59,16 +59,29 @@
 
 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,
@@ -462,6 +475,9 @@
   // 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_;