Add a MotionEventGeneric implementation

content/browser/renderer_host/input/motion_event_web.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_MOTION_EVENT_WEB_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_MOTION_EVENT_WEB_H_
 
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/events/gesture_detection/motion_event.h"
 
@@ skipping 11 matching lines @@
   virtual int GetActionIndex() const OVERRIDE;
   virtual size_t GetPointerCount() const OVERRIDE;
   virtual int GetPointerId(size_t pointer_index) const OVERRIDE;
   virtual float GetX(size_t pointer_index) const OVERRIDE;
   virtual float GetY(size_t pointer_index) const OVERRIDE;
   virtual float GetRawX(size_t pointer_index) const OVERRIDE;
   virtual float GetRawY(size_t pointer_index) const OVERRIDE;
   virtual float GetTouchMajor(size_t pointer_index) const OVERRIDE;
   virtual float GetPressure(size_t pointer_index) const OVERRIDE;
   virtual base::TimeTicks GetEventTime() const OVERRIDE;
-  virtual size_t GetHistorySize() const OVERRIDE;
-  virtual base::TimeTicks GetHistoricalEventTime(
-      size_t historical_index) const OVERRIDE;
-  virtual float GetHistoricalTouchMajor(
-      size_t pointer_index,
-      size_t historical_index) const OVERRIDE;
-  virtual float GetHistoricalX(
-      size_t pointer_index,
-      size_t historical_index) const OVERRIDE;
-  virtual float GetHistoricalY(
-      size_t pointer_index,
-      size_t historical_index) const OVERRIDE;
   virtual ToolType GetToolType(size_t pointer_index) const OVERRIDE;
   virtual int GetButtonState() const OVERRIDE;
   virtual scoped_ptr<MotionEvent> Clone() const OVERRIDE;
   virtual scoped_ptr<MotionEvent> Cancel() const OVERRIDE;
 
  private:
   blink::WebTouchEvent event_;
   Action cached_action_;
   int cached_action_index_;
 
   DISALLOW_COPY_AND_ASSIGN(MotionEventWeb);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_MOTION_EVENT_WEB_H_