Remove ACCELERATED_OVERFLOW_SCROLLING as it is always off.

Source/core/rendering/style/StyleRareInheritedData.cpp

Index: Source/core/rendering/style/StyleRareInheritedData.cpp
diff --git a/Source/core/rendering/style/StyleRareInheritedData.cpp b/Source/core/rendering/style/StyleRareInheritedData.cpp
index bae67dad2f623a85fc5e3cb4cdb573beccb994bc..8b9eb661d8f82448d742e95c47b4abcdc52ae2bf 100644
--- a/Source/core/rendering/style/StyleRareInheritedData.cpp
+++ b/Source/core/rendering/style/StyleRareInheritedData.cpp
@@ -84,9 +84,6 @@ StyleRareInheritedData::StyleRareInheritedData()
     , m_imageRendering(RenderStyle::initialImageRendering())
     , m_lineSnap(RenderStyle::initialLineSnap())
     , m_lineAlign(RenderStyle::initialLineAlign())
-#if ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
-    , useTouchOverflowScrolling(RenderStyle::initialUseTouchOverflowScrolling())
-#endif
 #if ENABLE(CSS3_TEXT)
     , m_textAlignLast(RenderStyle::initialTextAlignLast())
     , m_textUnderlinePosition(RenderStyle::initialTextUnderlinePosition())
@@ -141,9 +138,6 @@ StyleRareInheritedData::StyleRareInheritedData(const StyleRareInheritedData& o)
     , m_imageRendering(o.m_imageRendering)
     , m_lineSnap(o.m_lineSnap)
     , m_lineAlign(o.m_lineAlign)
-#if ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
-    , useTouchOverflowScrolling(o.useTouchOverflowScrolling)
-#endif
 #if ENABLE(CSS3_TEXT)
     , m_textAlignLast(o.m_textAlignLast)
     , m_textUnderlinePosition(o.m_textUnderlinePosition)
@@ -199,9 +193,6 @@ bool StyleRareInheritedData::operator==(const StyleRareInheritedData& o) const
         && wordBreak == o.wordBreak
         && overflowWrap == o.overflowWrap
         && lineBreak == o.lineBreak
-#if ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
-        && useTouchOverflowScrolling == o.useTouchOverflowScrolling
-#endif
         && resize == o.resize
         && userSelect == o.userSelect
         && speak == o.speak