Remove unused fields from //content.

content/browser/renderer_host/input/mouse_wheel_event_queue.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 "content/browser/renderer_host/input/mouse_wheel_event_queue.h"
 
 #include "base/metrics/histogram_macros.h"
 #include "base/stl_util.h"
 #include "base/trace_event/trace_event.h"
 
@@ skipping 11 matching lines @@
   QueuedWebMouseWheelEvent(const MouseWheelEventWithLatencyInfo& original_event)
       : MouseWheelEventWithLatencyInfo(original_event) {
     TRACE_EVENT_ASYNC_BEGIN0("input", "MouseWheelEventQueue::QueueEvent", this);
   }
 
   ~QueuedWebMouseWheelEvent() {
     TRACE_EVENT_ASYNC_END0("input", "MouseWheelEventQueue::QueueEvent", this);
   }
 
  private:
-  bool original_can_scroll_;
   DISALLOW_COPY_AND_ASSIGN(QueuedWebMouseWheelEvent);
 };
 
 MouseWheelEventQueue::MouseWheelEventQueue(MouseWheelEventQueueClient* client,
                                            bool send_gestures,
                                            int64_t scroll_transaction_ms)
     : client_(client),
       needs_scroll_begin_(true),
       needs_scroll_end_(false),
       send_gestures_(send_gestures),
@@ skipping 230 matching lines @@
   scroll_begin.data.scrollBegin.targetViewport = false;
   scroll_begin.data.scrollBegin.deltaHintUnits =
       gesture_update.data.scrollUpdate.deltaUnits;
 
   needs_scroll_begin_ = false;
   needs_scroll_end_ = true;
   client_->ForwardGestureEvent(scroll_begin);
 }
 
 }  // namespace content