4 files changed, 0 insertions, 33 deletions
diff --git a/Source/JavaScriptCore/wtf/Platform.h b/Source/JavaScriptCore/wtf/Platform.h
index 5ac08d1..41850ee 100644
--- a/Source/JavaScriptCore/wtf/Platform.h
+++ b/Source/JavaScriptCore/wtf/Platform.h
@@ -780,8 +780,6 @@
 #define ANDROID_ANIMATED_GIF
 // apple-touch-icon support in <link> tags
 #define ANDROID_APPLE_TOUCH_ICON
-// track changes to the style that may change what is drawn
-#define ANDROID_STYLE_VERSION
 
 // This is present in JavaScriptCore/config.h, which Android does not use.
 #define WTF_CHANGES 1
diff --git a/Source/WebCore/dom/Document.cpp b/Source/WebCore/dom/Document.cpp
index b6a1393..96be3fb 100644
--- a/Source/WebCore/dom/Document.cpp
+++ b/Source/WebCore/dom/Document.cpp
@@ -387,9 +387,6 @@ Document::Document(Frame* frame, const KURL& url, bool isXHTML, bool isHTML)
     , m_compatibilityMode(NoQuirksMode)
     , m_compatibilityModeLocked(false)
     , m_domTreeVersion(++s_globalTreeVersion)
-#ifdef ANDROID_STYLE_VERSION
-    , m_styleVersion(0)
-#endif
     , m_styleSheets(StyleSheetList::create(this))
     , m_readyState(Complete)
     , m_styleRecalcTimer(this, &Document::styleRecalcTimerFired)
diff --git a/Source/WebCore/dom/Document.h b/Source/WebCore/dom/Document.h
index ce82b2e..c4ccb9c 100644
--- a/Source/WebCore/dom/Document.h
+++ b/Source/WebCore/dom/Document.h
@@ -905,11 +905,6 @@ public:
     void incDOMTreeVersion() { m_domTreeVersion = ++s_globalTreeVersion; }
     uint64_t domTreeVersion() const { return m_domTreeVersion; }
 
-#ifdef ANDROID_STYLE_VERSION
-    void incStyleVersion() { ++m_styleVersion; }
-    unsigned styleVersion() const { return m_styleVersion; }
-#endif
-
     void setDocType(PassRefPtr<DocumentType>);
 
 #if ENABLE(XPATH)
@@ -1223,9 +1218,6 @@ private:
 
     uint64_t m_domTreeVersion;
     static uint64_t s_globalTreeVersion;
-#ifdef ANDROID_STYLE_VERSION
-    unsigned m_styleVersion;
-#endif
     
     HashSet<NodeIterator*> m_nodeIterators;
     HashSet<Range*> m_ranges;
diff --git a/Source/WebCore/dom/Element.cpp b/Source/WebCore/dom/Element.cpp
index 64d3eed..5fb6cdc 100644
--- a/Source/WebCore/dom/Element.cpp
+++ b/Source/WebCore/dom/Element.cpp
@@ -1069,21 +1069,6 @@ bool Element::pseudoStyleCacheIsInvalid(const RenderStyle* currentStyle, RenderS
     return false;
 }
 
-#ifdef ANDROID_STYLE_VERSION
-static bool displayDiff(const RenderStyle* s1, const RenderStyle* s2)
-{
-    if (!s1 && !s2)
-        return false;
-    else if ((!s1 && s2) || (s1 && !s2))
-        return true;
-
-    return s1->display() != s2->display()
-        || s1->left() != s2->left() || s1->top() != s2->top()
-        || s1->right() != s2->right() || s1->bottom() != s2->bottom()
-        || s1->width() != s2->width() || s1->height() != s2->height();
-}
-#endif
-
 void Element::recalcStyle(StyleChange change)
 {
     // Ref currentStyle in case it would otherwise be deleted when setRenderStyle() is called.
@@ -1092,11 +1077,6 @@ void Element::recalcStyle(StyleChange change)
     bool hasDirectAdjacentRules = currentStyle && currentStyle->childrenAffectedByDirectAdjacentRules();
 
     if ((change > NoChange || needsStyleRecalc())) {
-#ifdef ANDROID_STYLE_VERSION
-        RefPtr<RenderStyle> newStyle = document()->styleForElementIgnoringPendingStylesheets(this);
-        if (displayDiff(currentStyle.get(), newStyle.get()))
-            document()->incStyleVersion();
-#endif
         if (hasRareData())
             rareData()->resetComputedStyle();
     }