Remove abstract Clone and Cancel methods from MotionEvent

content/browser/renderer_host/input/motion_event_web.cc

 // Copyright 2014 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.
 
 // MSVC++ requires this to be set before any other includes to get M_PI.
 #define _USE_MATH_DEFINES
 
 #include "content/browser/renderer_host/input/motion_event_web.h"
 
 #include <cmath>
@@ skipping 137 matching lines @@
 }
 
 ui::MotionEvent::ToolType MotionEventWeb::GetToolType(
     size_t pointer_index) const {
   // TODO(jdduke): Plumb tool type from the platform event, crbug.com/404128.
   DCHECK_LT(pointer_index, GetPointerCount());
   return TOOL_TYPE_UNKNOWN;
 }
 
 int MotionEventWeb::GetButtonState() const {
-  NOTIMPLEMENTED();
   return 0;
 }
 
 int MotionEventWeb::GetFlags() const {
   return WebEventModifiersToEventFlags(event_.modifiers);
 }
 
-scoped_ptr<ui::MotionEvent> MotionEventWeb::Clone() const {
-  return scoped_ptr<MotionEvent>(new MotionEventWeb(event_));
-}
-
-scoped_ptr<ui::MotionEvent> MotionEventWeb::Cancel() const {
-  WebTouchEvent cancel_event(event_);
-  WebTouchEventTraits::ResetTypeAndTouchStates(
-      blink::WebInputEvent::TouchCancel,
-      // TODO(rbyers): Shouldn't we use a fresh timestamp?
-      event_.timeStampSeconds,
-      &cancel_event);
-  return scoped_ptr<MotionEvent>(new MotionEventWeb(cancel_event));
-}
-
 }  // namespace content