Trigger repaint on first paint only on pending stylesheet decrement.

third_party/WebKit/Source/core/html/HTMLLinkElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 627 matching lines @@
     m_pendingSheetType = None;
 
     if (type == None)
         return;
     if (type == NonBlocking) {
         // Tell StyleEngine to re-compute styleSheets of this m_owner's treescope.
         m_owner->document().styleEngine().modifiedStyleSheetCandidateNode(m_owner);
         // Document::removePendingSheet() triggers the style selector recalc for blocking sheets.
         // FIXME: We don't have enough knowledge at this point to know if we're adding or removing a sheet
         // so we can't call addedStyleSheet() or removedStyleSheet().
-        m_owner->document().styleResolverChanged();
+        m_owner->document().styleEngine().resolverChanged(FullStyleUpdate);
         return;
     }
 
     m_owner->document().styleEngine().removePendingSheet(m_owner);
 }
 
 void LinkStyle::setDisabledState(bool disabled)
 {
     LinkStyle::DisabledState oldDisabledState = m_disabledState;
     m_disabledState = disabled ? Disabled : EnabledViaScript;
@@ skipping 23 matching lines @@
 
         if (m_sheet)
             m_sheet->setDisabled(disabled);
 
         // Load the sheet, since it's never been loaded before.
         if (!m_sheet && m_disabledState == EnabledViaScript) {
             if (m_owner->shouldProcessStyle())
                 process();
         } else {
             // FIXME: We don't have enough knowledge here to know if we should call addedStyleSheet() or removedStyleSheet().
-            m_owner->document().styleResolverChanged();
+            m_owner->document().styleEngine().resolverChanged(FullStyleUpdate);
         }
     }
 }
 
 void LinkStyle::setCrossOriginStylesheetStatus(CSSStyleSheet* sheet)
 {
     if (m_fetchFollowingCORS && resource() && !resource()->errorOccurred()) {
         // Record the security origin the CORS access check succeeded at, if cross origin.
         // Only origins that are script accessible to it may access the stylesheet's rules.
         sheet->setAllowRuleAccessFromOrigin(m_owner->document().securityOrigin());
@@ skipping 90 matching lines @@
 }
 
 DEFINE_TRACE(LinkStyle)
 {
     visitor->trace(m_sheet);
     LinkResource::trace(visitor);
     ResourceOwner<StyleSheetResource>::trace(visitor);
 }
 
 } // namespace blink