[downloads] Set initiator when handling downloads via a[download]

content/renderer/render_frame_impl.cc

 // Copyright 2013 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 3214 matching lines @@
       routing_id_, static_cast<int32_t>(log_severity), message.text,
       static_cast<int32_t>(source_line), source_name));
 }
 
 void RenderFrameImpl::loadURLExternally(const blink::WebURLRequest& request,
                                         blink::WebNavigationPolicy policy,
                                         const blink::WebString& suggested_name,
                                         bool should_replace_current_entry) {
   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame_, request));
   if (policy == blink::WebNavigationPolicyDownload) {
-    Send(new FrameHostMsg_DownloadUrl(render_view_->GetRoutingID(),
-                                      GetRoutingID(), request.url(), referrer,
-                                      suggested_name));
+    FrameHostMsg_DownloadUrl_Params params;
+    params.render_view_id = render_view_->GetRoutingID();
+    params.render_frame_id = GetRoutingID();
+    params.url = request.url();
+    params.referrer = referrer;
+    params.initiator_origin = request.requestorOrigin();
+    params.suggested_name = suggested_name;
+
+    Send(new FrameHostMsg_DownloadUrl(params));
   } else {
     OpenURL(request.url(), IsHttpPost(request),
             GetRequestBodyForWebURLRequest(request),
             GetWebURLRequestHeaders(request), referrer, policy,
             should_replace_current_entry, false);
   }
 }
 
 blink::WebHistoryItem RenderFrameImpl::historyItemForNewChildFrame() {
   // OOPIF enabled modes will punt this navigation to the browser in
@@ skipping 3433 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content