HTML MessagePort as mojo::MessagePipeHandle

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/ExecutionContext.h"
 #include "core/dom/SecurityContext.h"
 #include "core/events/MessageEvent.h"
@@ skipping 166 matching lines @@
     // 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);
+  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 225 matching lines @@
   page->focusController().focusDocumentView(frame(), true /* notifyEmbedder */);
 }
 
 DEFINE_TRACE(DOMWindow) {
   visitor->trace(m_frame);
   visitor->trace(m_location);
   EventTargetWithInlineData::trace(visitor);
 }
 
 }  // namespace blink