Removed fields/methods related to gesture tap highlight flags.

Source/web/WebSettingsImpl.cpp

Index: Source/web/WebSettingsImpl.cpp
diff --git a/Source/web/WebSettingsImpl.cpp b/Source/web/WebSettingsImpl.cpp
index 21a6c3c8a3e45056e98315523873c60c59a0e2fe..7e17a41dcb6efdf147cf1fe9a010d217457d86bc 100644
--- a/Source/web/WebSettingsImpl.cpp
+++ b/Source/web/WebSettingsImpl.cpp
@@ -48,7 +48,6 @@ WebSettingsImpl::WebSettingsImpl(Settings* settings, InspectorController* inspec
     , m_showFPSCounter(false)
     , m_showPaintRects(false)
     , m_renderVSyncNotificationEnabled(false)
-    , m_gestureTapHighlightEnabled(true)
     , m_autoZoomFocusedNodeToLegibleScale(false)
     , m_deferredImageDecodingEnabled(false)
     , m_doubleTapToZoomEnabled(false)
@@ -657,11 +656,6 @@ void WebSettingsImpl::setNavigateOnDragDrop(bool enabled)
     m_settings->setNavigateOnDragDrop(enabled);
 }
 
-void WebSettingsImpl::setGestureTapHighlightEnabled(bool enableHighlight)
-{
-    m_gestureTapHighlightEnabled = enableHighlight;
-}
-
 void WebSettingsImpl::setAllowCustomScrollbarInMainFrame(bool enabled)
 {
     m_settings->setAllowCustomScrollbarInMainFrame(enabled);