Nuke WebPassOwnPtr<T> and replace it with std::unique_ptr<T>.

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 426 matching lines @@
     , m_showFPSCounter(false)
     , m_baseBackgroundColor(Color::white)
     , m_backgroundColorOverride(Color::transparent)
     , m_zoomFactorOverride(0)
     , m_userGestureObserved(false)
     , m_shouldDispatchFirstVisuallyNonEmptyLayout(false)
     , m_shouldDispatchFirstLayoutAfterFinishedParsing(false)
     , m_shouldDispatchFirstLayoutAfterFinishedLoading(false)
     , m_displayMode(WebDisplayModeBrowser)
     , m_elasticOverscroll(FloatSize())
-    , m_scheduler(Platform::current()->currentThread()->scheduler()->createWebViewScheduler(this).release())
+    , m_scheduler(adoptPtr(Platform::current()->currentThread()->scheduler()->createWebViewScheduler(this).release()))
 {
     Page::PageClients pageClients;
     pageClients.chromeClient = m_chromeClientImpl.get();
     pageClients.contextMenuClient = &m_contextMenuClientImpl;
     pageClients.editorClient = &m_editorClientImpl;
     pageClients.dragClient = &m_dragClientImpl;
     pageClients.spellCheckerClient = &m_spellCheckerClientImpl;
 
     m_page = Page::createOrdinary(pageClients);
     MediaKeysController::provideMediaKeysTo(*m_page, &m_mediaKeysClientImpl);
@@ skipping 4136 matching lines @@
 {
     // TODO(oshima): Investigate if this should return the ScreenInfo's scale factor rather than
     // page's scale factor, which can be 1 in use-zoom-for-dsf mode.
     if (!page())
         return 1;
 
     return page()->deviceScaleFactor();
 }
 
 } // namespace blink