[Layout API] Use layoutViewItem() in StyleResolver

third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 67 matching lines @@
 #include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/frame/UseCounter.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/html/HTMLSlotElement.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/layout/GeneratedChildren.h"
-#include "core/layout/LayoutView.h"
+#include "core/layout/api/LayoutViewItem.h"
 #include "core/style/StyleVariableData.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "core/svg/SVGElement.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "wtf/StdLibExtras.h"
 
 namespace {
 
 using namespace blink;
 
@@ skipping 167 matching lines @@
     // This handles sheets added to the end of the stylesheet list only. In other cases the style resolver
     // needs to be reconstructed. To handle insertions too the rule order numbers would need to be updated.
     for (const auto& styleSheet : styleSheets)
         appendCSSStyleSheet(*styleSheet);
 }
 
 void StyleResolver::finishAppendAuthorStyleSheets()
 {
     collectFeatures();
 
-    if (document().layoutView() && document().layoutView()->style())
-        document().layoutView()->style()->font().update(document().styleEngine().fontSelector());
+    if (!document().layoutViewItem().isNull() && document().layoutViewItem().style())
+        document().layoutViewItem().style()->font().update(document().styleEngine().fontSelector());
 
     m_viewportStyleResolver->collectViewportRules();
 
     document().styleEngine().resetCSSFeatureFlags(m_features);
 }
 
 void StyleResolver::resetRuleFeatures()
 {
     // Need to recreate RuleFeatureSet.
     m_features.clear();
@@ skipping 1455 matching lines @@
     visitor->trace(m_siblingRuleSet);
     visitor->trace(m_uncommonAttributeRuleSet);
     visitor->trace(m_watchedSelectorsRules);
     visitor->trace(m_treeBoundaryCrossingScopes);
     visitor->trace(m_styleSharingLists);
     visitor->trace(m_pendingStyleSheets);
     visitor->trace(m_document);
 }
 
 } // namespace blink