Remove the BeginSaveFile and BeginDownload methods from ResourceDispatcherHostImpl

content/browser/download/download_resource_handler.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.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 24 matching lines @@
     : public ResourceHandler,
       public DownloadRequestCore::Delegate,
       public base::SupportsWeakPtr<DownloadResourceHandler> {
  public:
   struct DownloadTabInfo;
 
   // started_cb will be called exactly once on the UI thread.
   // |id| should be invalid if the id should be automatically assigned.
   DownloadResourceHandler(net::URLRequest* request);
 
+  // static
+  // This function is passed into ResourceDispatcherHostImpl during its
+  // creation and is used to create instances of DownloadResourceHandler as
+  // needed.
+  // TODO(ananta)
+  // Find a better way to achieve this. Ideally we want to move the logic of
+  // creating DownloadResourceHandler instances out of
+  // ResourceDispatcherHostImpl.
+  static std::unique_ptr<ResourceHandler> Create(net::URLRequest* request);
+
   bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
                            ResourceResponse* response,
                            bool* defer) override;
 
   // Send the download creation information to the download thread.
   bool OnResponseStarted(ResourceResponse* response, bool* defer) override;
 
   // Pass-through implementation.
   bool OnWillStart(const GURL& url, bool* defer) override;
 
@@ skipping 38 matching lines @@
   // deletion must occur on the IO thread.
   std::unique_ptr<DownloadTabInfo> tab_info_;
 
   DownloadRequestCore core_;
   DISALLOW_COPY_AND_ASSIGN(DownloadResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_