Update web classes to use OVERRIDE / FINAL when needed

Source/web/WebSettingsImpl.cpp

Index: Source/web/WebSettingsImpl.cpp
diff --git a/Source/web/WebSettingsImpl.cpp b/Source/web/WebSettingsImpl.cpp
index 3e3bc46668aa0d05a4eaa05c508fe04264ab176e..0bcf26cad646e2aeff231603853431d012fb3504 100644
--- a/Source/web/WebSettingsImpl.cpp
+++ b/Source/web/WebSettingsImpl.cpp
@@ -139,11 +139,6 @@ void WebSettingsImpl::setDeviceSupportsMouse(bool deviceSupportsMouse)
     m_settings->setDeviceSupportsMouse(deviceSupportsMouse);
 }
 
-bool WebSettingsImpl::deviceSupportsTouch()
-{
-    return m_settings->deviceSupportsTouch();
-}
-
 void WebSettingsImpl::setAutoZoomFocusedNodeToLegibleScale(bool autoZoomFocusedNodeToLegibleScale)
 {
     m_autoZoomFocusedNodeToLegibleScale = autoZoomFocusedNodeToLegibleScale;
@@ -528,10 +523,6 @@ void WebSettingsImpl::setAntialiased2dCanvasEnabled(bool enabled)
     m_settings->setAntialiased2dCanvasEnabled(enabled);
 }
 
-void WebSettingsImpl::setDeferred2dCanvasEnabled(bool enabled)
-{
-}
-
 void WebSettingsImpl::setDeferredImageDecodingEnabled(bool enabled)
 {
     DeferredImageDecoder::setEnabled(enabled);
@@ -668,21 +659,6 @@ bool WebSettingsImpl::mainFrameResizesAreOrientationChanges() const
     return m_mainFrameResizesAreOrientationChanges;
 }
 
-void WebSettingsImpl::setShouldDisplaySubtitles(bool enabled)
-{
-    m_settings->setShouldDisplaySubtitles(enabled);
-}
-
-void WebSettingsImpl::setShouldDisplayCaptions(bool enabled)
-{
-    m_settings->setShouldDisplayCaptions(enabled);
-}
-
-void WebSettingsImpl::setShouldDisplayTextDescriptions(bool enabled)
-{
-    m_settings->setShouldDisplayTextDescriptions(enabled);
-}
-
 void WebSettingsImpl::setShouldRespectImageOrientation(bool enabled)
 {
     m_settings->setShouldRespectImageOrientation(enabled);