Rename WebCore::StyleResolverUpdateType to RecalcStyleTime

Source/core/dom/StyleSheetCollection.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 121 matching lines @@
 
     if (updateMode != AnalyzedStyleUpdate)
         return;
     if (!document()->styleResolverIfExists())
         return;
 
     // Find out which stylesheets are new.
     Vector<StyleSheetContents*> addedSheets;
     styleResolverUpdateType = compareStyleSheets(oldStyleSheets, newStyleSheets, addedSheets);
 
+    // FIXME: If styleResolverUpdateType is still Reconstruct, we could return early here
+    // as destroying the StyleResolver will recalc the whole document anyway?
+
     // If we are already parsing the body and so may have significant amount of elements, put some effort into trying to avoid style recalcs.
     if (!document()->body() || document()->hasNodesWithPlaceholderStyle())
         return;
     StyleInvalidationAnalysis invalidationAnalysis(addedSheets);
     if (invalidationAnalysis.dirtiesAllStyle())
         return;
     invalidationAnalysis.invalidateStyle(document());
     requiresFullStyleRecalc = false;
 }
 
@@ skipping 19 matching lines @@
     }
     return false;
 }
 
 void StyleSheetCollection::updateUsesRemUnits()
 {
     m_usesRemUnits = styleSheetsUseRemUnits(m_activeAuthorStyleSheets);
 }
 
 }