Replaced PassRefPtr copies with moves in Source/core.

third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 415 matching lines @@
 }
 
 void LocalDOMWindow::enqueueHashchangeEvent(const String& oldURL, const String& newURL)
 {
     enqueueWindowEvent(HashChangeEvent::create(oldURL, newURL));
 }
 
 void LocalDOMWindow::enqueuePopstateEvent(PassRefPtr<SerializedScriptValue> stateObject)
 {
     // FIXME: https://bugs.webkit.org/show_bug.cgi?id=36202 Popstate event needs to fire asynchronously
-    dispatchEvent(PopStateEvent::create(stateObject, history()));
+    dispatchEvent(PopStateEvent::create(std::move(stateObject), history()));
 }
 
 void LocalDOMWindow::statePopped(PassRefPtr<SerializedScriptValue> stateObject)
 {
     if (!frame())
         return;
 
     // Per step 11 of section 6.5.9 (history traversal) of the HTML5 spec, we
     // defer firing of popstate until we're in the complete state.
     if (document()->isLoadCompleted())
-        enqueuePopstateEvent(stateObject);
+        enqueuePopstateEvent(std::move(stateObject));
     else
         m_pendingStateObject = stateObject;
 }
 
 LocalDOMWindow::~LocalDOMWindow()
 {
     // Cleared when detaching document.
     ASSERT(!m_eventQueue);
 }
 
@@ skipping 191 matching lines @@
     if (!m_navigator)
         m_navigator = Navigator::create(frame());
     return m_navigator.get();
 }
 
 void LocalDOMWindow::schedulePostMessage(MessageEvent* event, PassRefPtr<SecurityOrigin> target, Document* source)
 {
     // Allowing unbounded amounts of messages to build up for a suspended context
     // is problematic; consider imposing a limit or other restriction if this
     // surfaces often as a problem (see crbug.com/587012).
-    PostMessageTimer* timer = new PostMessageTimer(*this, event, target, SourceLocation::capture(source), UserGestureIndicator::currentToken());
+    PostMessageTimer* timer = new PostMessageTimer(*this, event, std::move(target), SourceLocation::capture(source), UserGestureIndicator::currentToken());
     timer->startOneShot(0, BLINK_FROM_HERE);
     timer->suspendIfNeeded();
     m_postMessageTimers.add(timer);
 }
 
 void LocalDOMWindow::postMessageTimerFired(PostMessageTimer* timer)
 {
     if (!isCurrentlyDisplayedInFrame())
         return;
 
@@ skipping 864 matching lines @@
 {
     // If the LocalDOMWindow still has a frame reference, that frame must point
     // back to this LocalDOMWindow: otherwise, it's easy to get into a situation
     // where script execution leaks between different LocalDOMWindows.
     if (m_frameObserver->frame())
         ASSERT_WITH_SECURITY_IMPLICATION(m_frameObserver->frame()->domWindow() == this);
     return m_frameObserver->frame();
 }
 
 } // namespace blink