Expose the initiating origin/URL of a navigation in the Blink public API

third_party/WebKit/Source/modules/webaudio/BaseAudioContextTest.cpp

 // 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 "modules/webaudio/BaseAudioContext.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/DocumentUserGestureToken.h"
 #include "core/frame/FrameOwner.h"
 #include "core/frame/FrameTypes.h"
@@ skipping 84 matching lines @@
   }
 
   void createChildFrame() {
     m_childFrame = LocalFrame::create(
         MockCrossOriginFrameLoaderClient::create(document().frame()),
         document().frame()->host(), m_dummyFrameOwner.get());
     m_childFrame->setView(FrameView::create(*m_childFrame, IntSize(500, 500)));
     m_childFrame->init();
     m_childDocumentLoader = DocumentLoader::create(
         m_childFrame.get(), ResourceRequest("https://www.example.com"),
-        SubstituteData(), ClientRedirectPolicy::NotClientRedirect);
+        SubstituteData(), ClientRedirectPolicy::NotClientRedirect, nullptr);
 
     childDocument().updateSecurityOrigin(
         SecurityOrigin::create("https", "cross-origin.com", 80));
   }
 
   Document& document() { return m_dummyPageHolder->document(); }
 
   Document& childDocument() { return *m_childFrame->document(); }
 
   ScriptState* getScriptStateFrom(const Document& document) {
@@ skipping 170 matching lines @@
   audioContext->resumeContext(getScriptStateFrom(childDocument()));
   rejectPendingResolvers(audioContext);
   recordAutoplayStatus(audioContext);
 
   histogramTester.expectBucketCount(kCrossOriginMetric,
                                     AutoplayStatus::AutoplayStatusSucceeded, 1);
   histogramTester.expectTotalCount(kCrossOriginMetric, 1);
 }
 
 }  // namespace blink