Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/frame/DOMWindow.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/frame/DOMWindow.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/SecurityContext.h"
@@ skipping 11 matching lines @@
 #include "core/inspector/ConsoleMessageStorage.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/loader/MixedContentChecker.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/Suborigin.h"
-#include <memory>
 
 namespace blink {
 
 DOMWindow::DOMWindow()
     : m_windowIsClosing(false)
 {
 }
 
 DOMWindow::~DOMWindow()
 {
@@ skipping 148 matching lines @@
     } else if (targetOrigin != "*") {
         target = SecurityOrigin::createFromString(targetOrigin);
         // It doesn't make sense target a postMessage at a unique origin
         // because there's no way to represent a unique origin in a string.
         if (target->isUnique()) {
             exceptionState.throwDOMException(SyntaxError, "Invalid target origin '" + targetOrigin + "' in a call to 'postMessage'.");
             return;
         }
     }
 
-    std::unique_ptr<MessagePortChannelArray> channels = MessagePort::disentanglePorts(getExecutionContext(), ports, exceptionState);
+    OwnPtr<MessagePortChannelArray> channels = MessagePort::disentanglePorts(getExecutionContext(), ports, exceptionState);
     if (exceptionState.hadException())
         return;
 
     // Capture the source of the message.  We need to do this synchronously
     // in order to capture the source of the message correctly.
     if (!sourceDocument)
         return;
 
     const SecurityOrigin* securityOrigin = sourceDocument->getSecurityOrigin();
     bool hasSuborigin = sourceDocument->getSecurityOrigin()->hasSuborigin();
@@ skipping 156 matching lines @@
     page->focusController().focusDocumentView(frame(), true /* notifyEmbedder */);
 }
 
 DEFINE_TRACE(DOMWindow)
 {
     visitor->trace(m_location);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink