Remove tracking of pending sheets.

sky/engine/core/dom/Document.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, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 1086 matching lines @@
         if (documentElement->shouldCallRecalcStyle(change))
             documentElement->recalcStyle(change);
     }
 
     ensureStyleResolver().printStats();
 
     view()->recalcOverflowAfterStyleChange();
 
     clearChildNeedsStyleRecalc();
 
-    if (m_styleEngine->hasResolver()) {
-        StyleResolver& resolver = m_styleEngine->ensureResolver();
-        resolver.clearStyleSharingList();
-    }
+    m_styleEngine->resolver().clearStyleSharingList();
 
     ASSERT(!needsStyleRecalc());
     ASSERT(!childNeedsStyleRecalc());
     ASSERT(inStyleRecalc());
     m_lifecycle.advanceTo(DocumentLifecycle::StyleClean);
 }
 
 void Document::updateRenderTreeForNodeIfNeeded(Node* node)
 {
     bool needsRecalc = needsFullRenderTreeUpdate();
@@ skipping 47 matching lines @@
     m_clearFocusedElementTimer.stop();
 
     if (m_focusedElement && !m_focusedElement->isFocusable())
         m_focusedElement->blur();
 }
 
 StyleResolver* Document::styleResolver() const
 {
     if (!isActive())
         return 0;
-    return m_styleEngine->resolver();
+    return &m_styleEngine->resolver();
 }
 
 StyleResolver& Document::ensureStyleResolver() const
 {
     ASSERT(isActive());
-    return m_styleEngine->ensureResolver();
-}
-
-void Document::clearStyleResolver()
-{
-    m_styleEngine->clearResolver();
+    return m_styleEngine->resolver();
 }
 
 void Document::attach(const AttachContext& context)
 {
     ASSERT(m_lifecycle.state() == DocumentLifecycle::Inactive);
 
     m_styleEngine = StyleEngine::create(*this);
 
     m_renderView = new RenderView(this);
     setRenderer(m_renderView);
@@ skipping 1499 matching lines @@
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (WeakDocumentSet::const_iterator it = set.begin(); it != set.end(); ++it) {
         fprintf(stderr, "- Document %p URL: %s\n", *it, (*it)->url().string().utf8().data());
     }
 }
 #endif