Always Reconstruct when stylesheets change.

sky/engine/core/dom/Document.h

 /*
  * 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) 2011 Google Inc. All rights reserved.
  *
@@ skipping 111 matching lines @@
 class Text;
 class Touch;
 class TouchList;
 class WebGLRenderingContext;
 
 struct AnnotatedRegionValue;
 
 typedef EventWithHitTestResults<PlatformMouseEvent> MouseEventWithHitTestResults;
 typedef int ExceptionCode;
 
-enum StyleResolverUpdateMode {
-    // Discards the StyleResolver and rebuilds it.
-    FullStyleUpdate,
-    // Attempts to use StyleInvalidationAnalysis to avoid discarding the entire StyleResolver.
-    AnalyzedStyleUpdate
-};
-
 enum DocumentClass {
     DefaultDocumentClass = 0,
     HTMLDocumentClass = 1,
     MediaDocumentClass = 1 << 4,
 };
 
 typedef unsigned char DocumentClassFlags;
 
 class Document;
 
@@ skipping 91 matching lines @@
 
     bool isRenderingReady() const { return haveImportsLoaded(); }
     bool isScriptExecutionReady() const { return isRenderingReady(); }
 
     // This is a DOM function.
     StyleSheetList* styleSheets();
 
     StyleEngine* styleEngine() { return m_styleEngine.get(); }
 
     // Called when one or more stylesheets in the document may have been added, removed, or changed.
-    void styleResolverChanged(StyleResolverUpdateMode = FullStyleUpdate);
-    void styleResolverMayHaveChanged();
+    void styleResolverChanged();
 
     // FIXME: Switch all callers of styleResolverChanged to these or better ones and then make them
     // do something smarter.
-    void removedStyleSheet(StyleSheet*, StyleResolverUpdateMode = FullStyleUpdate);
+    void removedStyleSheet(StyleSheet*);
     void addedStyleSheet(StyleSheet*) { styleResolverChanged(); }
-    void modifiedStyleSheet(StyleSheet*, StyleResolverUpdateMode = FullStyleUpdate);
-    void changedSelectorWatch() { styleResolverChanged(); }
+    void modifiedStyleSheet(StyleSheet*);
 
     void evaluateMediaQueryList();
 
     void setStateForNewFormElements(const Vector<String>&);
 
     FrameView* view() const; // can be null
     LocalFrame* frame() const { return m_frame; } // can be null
     FrameHost* frameHost() const; // can be null
     Page* page() const; // can be null
     Settings* settings() const; // can be null
@@ skipping 563 matching lines @@
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLiveDocumentInstances();
 #endif
 
 #endif  // SKY_ENGINE_CORE_DOM_DOCUMENT_H_