Revert of Add POINTER_TYPE_ERASER to EventPointerType

ui/events/blink/web_input_event.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/blink/web_input_event.h"
 
 #include "ui/events/base_event_utils.h"
 #include "ui/events/blink/blink_event_util.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
@@ skipping 20 matching lines @@
 }
 
 blink::WebPointerProperties::PointerType EventPointerTypeToWebPointerType(
     EventPointerType pointer_type) {
   switch (pointer_type) {
     case EventPointerType::POINTER_TYPE_UNKNOWN:
       return blink::WebPointerProperties::PointerType::Unknown;
     case EventPointerType::POINTER_TYPE_MOUSE:
       return blink::WebPointerProperties::PointerType::Mouse;
     case EventPointerType::POINTER_TYPE_PEN:
-    case EventPointerType::POINTER_TYPE_ERASER:
       return blink::WebPointerProperties::PointerType::Pen;
     case EventPointerType::POINTER_TYPE_TOUCH:
       return blink::WebPointerProperties::PointerType::Touch;
   }
   NOTREACHED() << "Unexpected EventPointerType";
   return blink::WebPointerProperties::PointerType::Unknown;
 }
 
 // Creates a WebGestureEvent from a GestureEvent. Note that it does not
 // populate the event coordinates (i.e. |x|, |y|, |globalX|, and |globalY|). So
@@ skipping 402 matching lines @@
   webkit_event.tiltX = roundf(event.pointer_details().tilt_x);
   webkit_event.tiltY = roundf(event.pointer_details().tilt_y);
   webkit_event.force = event.pointer_details().force;
   webkit_event.pointerType =
       EventPointerTypeToWebPointerType(event.pointer_details().pointer_type);
 
   return webkit_event;
 }
 
 }  // namespace ui