Remove Navigation Transitions from Blink.

Source/core/dom/TreeScopeStyleSheetCollection.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 158 matching lines @@
 
 void TreeScopeStyleSheetCollection::clearMediaQueryRuleSetStyleSheets()
 {
     for (size_t i = 0; i < m_activeAuthorStyleSheets.size(); ++i) {
         StyleSheetContents* contents = m_activeAuthorStyleSheets[i]->contents();
         if (contents->hasMediaQueries())
             contents->clearRuleSet();
     }
 }
 
-void TreeScopeStyleSheetCollection::setExitTransitionStyleshetsEnabled(bool enabled)
-{
-    DocumentOrderedList::iterator begin = m_styleSheetCandidateNodes.begin();
-    DocumentOrderedList::iterator end = m_styleSheetCandidateNodes.end();
-    for (DocumentOrderedList::iterator it = begin; it != end; ++it) {
-        Node* node = *it;
-        if (isHTMLLinkElement(*node))
-            toHTMLLinkElement(node)->setEnabledIfExitTransitionStyle(enabled);
-    }
-}
-
 static bool styleSheetsUseRemUnits(const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet>>& sheets)
 {
     for (unsigned i = 0; i < sheets.size(); ++i) {
         if (sheets[i]->contents()->usesRemUnits())
             return true;
     }
     return false;
 }
 
 void TreeScopeStyleSheetCollection::updateUsesRemUnits()
 {
     m_usesRemUnits = styleSheetsUseRemUnits(m_activeAuthorStyleSheets);
 }
 
 DEFINE_TRACE(TreeScopeStyleSheetCollection)
 {
     visitor->trace(m_treeScope);
     visitor->trace(m_styleSheetCandidateNodes);
     StyleSheetCollection::trace(visitor);
 }
 
 }