Plumb initiator out of Blink.

content/shell/test_runner/web_frame_test_client.cc

 // Copyright 2016 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/shell/test_runner/web_frame_test_client.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/strings/string_piece.h"
@@ skipping 395 matching lines @@
 }
 
 void WebFrameTestClient::loadErrorPage(int reason) {
   if (test_runner()->shouldDumpFrameLoadCallbacks()) {
     delegate_->PrintMessage(base::StringPrintf(
         "- loadErrorPage: %s\n", net::ErrorToString(reason).c_str()));
   }
 }
 
 void WebFrameTestClient::didStartProvisionalLoad(
+    blink::WebLocalFrame* initiator_frame,
     blink::WebDataSource* data_source,
     blink::WebURLRequest& request) {
   // PlzNavigate
   // A provisional load notification is received when a frame navigation is
   // sent to the browser. We don't want to log it again during commit.
   if (delegate_->IsNavigationInitiatedByRenderer(request))
     return;
 
   test_runner()->tryToSetTopLoadingFrame(
       web_frame_test_proxy_base_->web_frame());
@@ skipping 323 matching lines @@
 blink::WebEffectiveConnectionType
 WebFrameTestClient::getEffectiveConnectionType() {
   return test_runner()->effective_connection_type();
 }
 
 TestRunner* WebFrameTestClient::test_runner() {
   return web_view_test_proxy_base_->test_interfaces()->GetTestRunner();
 }
 
 }  // namespace test_runner