Updates to DownloadUrlParameters in preparation for OOPIF changes

content/public/browser/resource_request_info.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_PUBLIC_BROWSER_RESOURCE_REQUEST_INFO_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_REQUEST_INFO_H_
 
 #include "base/callback_forward.h"
 #include "content/common/content_export.h"
 #include "content/public/common/resource_type.h"
@@ skipping 12 matching lines @@
 // Each URLRequest allocated by the ResourceDispatcherHost has a
 // ResourceRequestInfo instance associated with it.
 class ResourceRequestInfo {
  public:
   // Returns the ResourceRequestInfo associated with the given URLRequest.
   CONTENT_EXPORT static const ResourceRequestInfo* ForRequest(
       const net::URLRequest* request);
 
   // Allocates a new, dummy ResourceRequestInfo and associates it with the
   // given URLRequest.
+  //
+  // The RenderView routing ID must correspond to the RenderView of the
+  // RenderFrame, both of which share the same RenderProcess. This may be a
+  // different RenderView than the WebContents' main RenderView. If the
+  // download is not associated with a frame, the IDs can be all -1.
+  //
   // NOTE: Add more parameters if you need to initialize other fields.
   CONTENT_EXPORT static void AllocateForTesting(net::URLRequest* request,
                                                 ResourceType resource_type,
                                                 ResourceContext* context,
                                                 int render_process_id,
                                                 int render_view_id,
                                                 int render_frame_id,
                                                 bool is_main_frame,
                                                 bool parent_is_main_frame,
                                                 bool allow_download,
@@ skipping 103 matching lines @@
   // Whether this request if using Lo-Fi mode.
   virtual bool IsUsingLoFi() const = 0;
 
  protected:
   virtual ~ResourceRequestInfo() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_REQUEST_INFO_H_