Add an identity component for unique/opaque url::Origins.

third_party/WebKit/Source/core/dom/ElementVisibilityObserverTest.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 "core/dom/ElementVisibilityObserver.h"
 
 #include "core/dom/DOMImplementation.h"
 #include "core/dom/Document.h"
 #include "core/frame/RemoteFrame.h"
 #include "core/html/HTMLDivElement.h"
 #include "core/html/HTMLDocument.h"
 #include "core/loader/EmptyClients.h"
 #include "core/testing/DummyPageHolder.h"
+#include "platform/weborigin/SecurityOrigin.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
 namespace {
 
 // Stub implementation of FrameLoaderClient for the purpose of testing. It will
 // alow callers to set the parent/top frames by calling |setParent|. It is used
 // in ElementVisibilityObserverTest in order to mock a RemoteFrame parent of a
 // LocalFrame.
@@ skipping 42 matching lines @@
   ElementVisibilityObserver* observer =
       new ElementVisibilityObserver(element, nullptr);
   observer->start();
   observer->stop();
   // It should not crash.
 }
 
 TEST_F(ElementVisibilityObserverTest, ObserveElementInRemoteFrame) {
   Persistent<RemoteFrame> remoteFrame =
       RemoteFrame::create(new EmptyRemoteFrameClient(), &frameHost(), nullptr);
+  remoteFrame->securityContext()->setReplicatedOrigin(
+      SecurityOrigin::createUnique());
   frameLoaderClient()->setParent(remoteFrame);
 
   Persistent<HTMLElement> element = HTMLDivElement::create(document());
   ElementVisibilityObserver* observer =
       new ElementVisibilityObserver(element, WTF::bind([](bool) {}));
   observer->start();
   observer->deliverObservationsForTesting();
   observer->stop();
   // It should not crash.
 }
 
 }  // anonymous namespace
 
 }  // blink namespace