Remove "reportWheelOverscroll" from Blink settings.

third_party/WebKit/Source/core/input/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 1888 matching lines @@
             delta.setHeight(delta.height() > 0 ? 1 : -1);
     }
 
     // FIXME: enable scroll customization in this case. See crbug.com/410974.
     bool consumed = false;
     ScrollResult result = physicalScroll(granularity, delta, startNode, &node, &consumed);
 
     if (consumed)
         wheelEvent->setDefaultHandled();
 
-    if (m_frame->isMainFrame() && m_frame->settings() && m_frame->settings()->reportWheelOverscroll())
+    if (m_frame->isMainFrame())
         handleOverscroll(result);
 }
 
 WebInputEventResult EventHandler::handleGestureShowPress()
 {
     m_lastShowPressTimestamp = WTF::monotonicallyIncreasingTime();
 
     FrameView* view = m_frame->view();
     if (!view)
         return WebInputEventResult::NotHandled;
@@ skipping 2086 matching lines @@
 PlatformEvent::Modifiers EventHandler::accessKeyModifiers()
 {
 #if OS(MACOSX)
     return static_cast<PlatformEvent::Modifiers>(PlatformEvent::CtrlKey | PlatformEvent::AltKey);
 #else
     return PlatformEvent::AltKey;
 #endif
 }
 
 } // namespace blink