Remove the default wheel event handler from blink.

third_party/WebKit/Source/web/WebSettingsImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 185 matching lines @@
 void WebSettingsImpl::setJavaScriptEnabled(bool enabled)
 {
     m_devToolsEmulator->setScriptEnabled(enabled);
 }
 
 void WebSettingsImpl::setWebSecurityEnabled(bool enabled)
 {
     m_settings->setWebSecurityEnabled(enabled);
 }
 
-void WebSettingsImpl::setWheelGesturesEnabled(bool enabled)
-{
-    m_settings->setWheelGesturesEnabled(enabled);
-}
-
 void WebSettingsImpl::setJavaScriptCanOpenWindowsAutomatically(bool canOpenWindows)
 {
     m_settings->setJavaScriptCanOpenWindowsAutomatically(canOpenWindows);
 }
 
 void WebSettingsImpl::setSupportDeprecatedTargetDensityDPI(bool supportDeprecatedTargetDensityDPI)
 {
     m_supportDeprecatedTargetDensityDPI = supportDeprecatedTargetDensityDPI;
 }
 
@@ skipping 474 matching lines @@
 bool WebSettingsImpl::doubleTapToZoomEnabled() const
 {
     return m_devToolsEmulator->doubleTapToZoomEnabled();
 }
 
 bool WebSettingsImpl::mockGestureTapHighlightsEnabled() const
 {
     return m_settings->mockGestureTapHighlightsEnabled();
 }
 
-bool WebSettingsImpl::wheelGesturesEnabled() const
-{
-    return m_settings->wheelGesturesEnabled();
-}
-
 bool WebSettingsImpl::mainFrameResizesAreOrientationChanges() const
 {
     return m_devToolsEmulator->mainFrameResizesAreOrientationChanges();
 }
 
 bool WebSettingsImpl::shrinksViewportContentToFit() const
 {
     return m_shrinksViewportContentToFit;
 }
 
@@ skipping 92 matching lines @@
 {
     m_settings->setV8CacheStrategiesForCacheStorage(static_cast<blink::V8CacheStrategiesForCacheStorage>(strategies));
 }
 
 void WebSettingsImpl::setViewportStyle(WebViewportStyle style)
 {
     m_devToolsEmulator->setViewportStyle(style);
 }
 
 } // namespace blink