Remove minimumLayoutDelay() and associated machinery

Source/core/dom/Document.h

Index: Source/core/dom/Document.h
diff --git a/Source/core/dom/Document.h b/Source/core/dom/Document.h
index 08627c359e7a8bca1c995c1b2fc1966b84268b10..395c9f5f18a9af8c813a98f03fd099a44a0d5624 100644
--- a/Source/core/dom/Document.h
+++ b/Source/core/dom/Document.h
@@ -299,7 +299,7 @@ public:
     DocumentType* doctype() const { return m_docType.get(); }
 
     DOMImplementation* implementation();
-    
+
     Element* documentElement() const
     {
         return m_documentElement.get();
@@ -423,7 +423,7 @@ public:
     bool sawElementsInKnownNamespaces() const { return m_sawElementsInKnownNamespaces; }
 
     StyleResolver* styleResolver()
-    { 
+    {
         if (!m_styleResolver)
             createStyleResolver();
         return m_styleResolver.get();
@@ -529,7 +529,7 @@ public:
     // to get visually ordered hebrew and arabic pages right
     void setVisuallyOrdered();
     bool visuallyOrdered() const { return m_visuallyOrdered; }
-    
+
     DocumentLoader* loader() const;
 
     void open(Document* ownerDocument = 0);
@@ -575,17 +575,17 @@ public:
     Frame* findUnsafeParentScrollPropagationBoundary();
 
     CSSStyleSheet* elementSheet();
-    
+
     virtual PassRefPtr<DocumentParser> createParser();
     DocumentParser* parser() const { return m_parser.get(); }
     ScriptableDocumentParser* scriptableDocumentParser() const;
-    
+
     bool printing() const { return m_printing; }
     void setPrinting(bool p) { m_printing = p; }
 
     bool paginatedForScreen() const { return m_paginatedForScreen; }
     void setPaginatedForScreen(bool p) { m_paginatedForScreen = p; }
-    
+
     bool paginated() const { return printing() || paginatedForScreen(); }
 
     enum CompatibilityMode { QuirksMode, LimitedQuirksMode, NoQuirksMode };
@@ -608,11 +608,9 @@ public:
     void setReadyState(ReadyState);
     void setParsing(bool);
     bool parsing() const { return m_bParsing; }
-    int minimumLayoutDelay();
 
     bool shouldScheduleLayout();
-    bool isLayoutTimerActive();
-    int elapsedTime() const;
+    bool parserShouldYieldAgressivelyBeforeFirstLayout();
 
     TextLinkColors& textLinkColors() { return m_textLinkColors; }
     VisitedLinkState* visitedLinkState() const { return m_visitedLinkState.get(); }
@@ -633,7 +631,7 @@ public:
     const UserActionElementSet& userActionElements() const { return m_userActionElements; }
     void didRunCheckFocusedElementTask() { m_didPostCheckFocusedElementTask = false; }
 
-    // The m_ignoreAutofocus flag specifies whether or not the document has been changed by the user enough 
+    // The m_ignoreAutofocus flag specifies whether or not the document has been changed by the user enough
     // for WebCore to ignore the autofocus attribute on any form controls
     bool ignoreAutofocus() const { return m_ignoreAutofocus; };
     void setIgnoreAutofocus(bool shouldIgnore = true) { m_ignoreAutofocus = shouldIgnore; };
@@ -687,7 +685,7 @@ public:
     void setDOMWindow(DOMWindow* domWindow) { m_domWindow = domWindow; }
     DOMWindow* domWindow() const { return m_domWindow; }
     // In DOM Level 2, the Document's DOMWindow is called the defaultView.
-    DOMWindow* defaultView() const { return domWindow(); } 
+    DOMWindow* defaultView() const { return domWindow(); }
 
     // Helper functions for forwarding DOMWindow event related tasks to the DOMWindow if it exists.
     void setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, DOMWrapperWorld* isolatedWorld = 0);
@@ -780,7 +778,7 @@ public:
     void setCookieURL(const KURL& url) { m_cookieURL = url; }
 
     const KURL& firstPartyForCookies() const;
-    
+
     // The following implements the rule from HTML 4 for what valid names are.
     // To get this right for all the XML cases, we probably have to improve this or move it
     // and make it sensitive to the type of document.
@@ -817,7 +815,7 @@ public:
     KURL openSearchDescriptionURL();
 
     // designMode support
-    enum InheritedBool { off = false, on = true, inherit };    
+    enum InheritedBool { off = false, on = true, inherit };
     void setDesignMode(InheritedBool value);
     InheritedBool getDesignMode() const;
     bool inDesignMode() const;
@@ -858,7 +856,7 @@ public:
 
     void updateFocusAppearanceSoon(bool restorePreviousSelection);
     void cancelFocusAppearanceUpdate();
-        
+
     // Extension for manipulating canvas drawing contexts for use in CSS
     CanvasRenderingContext* getCSSCanvasContext(const String& type, const String& name, int width, int height);
     HTMLCanvasElement* getCSSCanvasElement(const String& name);
@@ -1176,7 +1174,7 @@ private:
 
     uint64_t m_domTreeVersion;
     static uint64_t s_globalTreeVersion;
-    
+
     HashSet<NodeIterator*> m_nodeIterators;
     HashSet<Range*> m_ranges;
 
@@ -1219,7 +1217,7 @@ private:
 
     OwnPtr<AXObjectCache> m_axObjectCache;
     OwnPtr<DocumentMarkerController> m_markers;
-    
+
     Timer<Document> m_updateFocusAppearanceTimer;
 
     Element* m_cssTarget;
@@ -1232,9 +1230,7 @@ private:
     bool m_loadEventFinished;
 
     RefPtr<SerializedScriptValue> m_pendingStateObject;
-    double m_startTime;
-    bool m_overMinimumLayoutThreshold;
-    
+
     OwnPtr<ScriptRunner> m_scriptRunner;
 
     Vector<RefPtr<HTMLScriptElement> > m_currentScriptStack;
@@ -1301,7 +1297,7 @@ private:
     RefPtr<MediaQueryMatcher> m_mediaQueryMatcher;
     bool m_writeRecursionIsTooDeep;
     unsigned m_writeRecursionDepth;
-    
+
     unsigned m_wheelEventHandlerCount;
     OwnPtr<TouchEventTargetSet> m_touchEventTargets;
 
@@ -1319,7 +1315,7 @@ private:
     RefPtr<CustomElementRegistrationContext> m_registrationContext;
 
     bool m_scheduledTasksAreSuspended;
-    
+
     RefPtr<NamedFlowCollection> m_namedFlows;
 
     RefPtr<DOMSecurityPolicy> m_domSecurityPolicy;