Plumb initiator out of Blink.

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 3465 matching lines @@
   // exists).
   if (datasource->getServiceWorkerNetworkProvider())
     return;
 
   datasource->setServiceWorkerNetworkProvider(
       ServiceWorkerNetworkProvider::CreateForNavigation(
           routing_id_, navigation_state->request_params(), frame,
           content_initiated));
 }
 
-void RenderFrameImpl::didStartProvisionalLoad(blink::WebDataSource* data_source,
-                                              blink::WebURLRequest& request) {
+void RenderFrameImpl::didStartProvisionalLoad(
+    blink::WebLocalFrame* initiator_frame,
+    blink::WebDataSource* data_source,
+    blink::WebURLRequest& request) {
   // In fast/loader/stop-provisional-loads.html, we abort the load before this
   // callback is invoked.
   if (!data_source)
     return;
 
   TRACE_EVENT2("navigation,benchmark,rail",
                "RenderFrameImpl::didStartProvisionalLoad", "id", routing_id_,
                "url", data_source->getRequest().url().string().utf8());
 
   // PlzNavigate:
@@ skipping 3471 matching lines @@
       policy(info.defaultPolicy),
       replaces_current_history_item(info.replacesCurrentHistoryItem),
       history_navigation_in_new_child_frame(
           info.isHistoryNavigationInNewChildFrame),
       client_redirect(info.isClientRedirect),
       cache_disabled(info.isCacheDisabled),
       form(info.form),
       source_location(info.sourceLocation) {}
 
 }  // namespace content