Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/html/HTMLInputElementTest.cpp

 // Copyright 2014 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/html/HTMLInputElement.h"
 
 #include "core/dom/Document.h"
 #include "core/html/HTMLBodyElement.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLHtmlElement.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include <memory>
 
 namespace blink {
 
 TEST(HTMLInputElementTest, create)
 {
     Document* document = Document::create();
     HTMLInputElement* input = HTMLInputElement::create(*document, nullptr, /* createdByParser */ false);
     EXPECT_NE(nullptr, input->userAgentShadowRoot());
 
     input = HTMLInputElement::create(*document, nullptr, /* createdByParser */ true);
     EXPECT_EQ(nullptr, input->userAgentShadowRoot());
     input->parserSetAttributes(Vector<Attribute>());
     EXPECT_NE(nullptr, input->userAgentShadowRoot());
 }
 
 TEST(HTMLInputElementTest, NoAssertWhenMovedInNewDocument)
 {
     Document* documentWithoutFrame = Document::create();
     EXPECT_EQ(nullptr, documentWithoutFrame->frameHost());
     HTMLHtmlElement* html = HTMLHtmlElement::create(*documentWithoutFrame);
     html->appendChild(HTMLBodyElement::create(*documentWithoutFrame));
 
     // Create an input element with type "range" inside a document without frame.
     toHTMLBodyElement(html->firstChild())->setInnerHTML("<input type='range' />", ASSERT_NO_EXCEPTION);
     documentWithoutFrame->appendChild(html);
 
-    std::unique_ptr<DummyPageHolder> pageHolder = DummyPageHolder::create();
+    OwnPtr<DummyPageHolder> pageHolder = DummyPageHolder::create();
     auto& document = pageHolder->document();
     EXPECT_NE(nullptr, document.frameHost());
 
     // Put the input element inside a document with frame.
     document.body()->appendChild(documentWithoutFrame->body()->firstChild());
 
     // Remove the input element and all refs to it so it gets deleted before the document.
     // The assert in |EventHandlerRegistry::updateEventHandlerTargets()| should not be triggered.
     document.body()->removeChild(document.body()->firstChild());
 }
@@ skipping 27 matching lines @@
     HTMLInputElement* input = HTMLInputElement::create(*document, nullptr, false);
     input->setAttribute(HTMLNames::typeAttr, "image");
     input->ensureFallbackContent();
     // Make sure ensurePrimaryContent() recreates UA shadow tree, and updating
     // |value| doesn't crash.
     input->ensurePrimaryContent();
     input->setAttribute(HTMLNames::valueAttr, "aaa");
 }
 
 } // namespace blink