Getting RenderWidgetHostViewWin ready for a GestureRecognizer.

ui/base/gestures/gesture_types.h

 // Copyright (c) 2012 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 UI_BASE_GESTURES_GESTURE_TYPES_H_
 #define UI_BASE_GESTURES_GESTURE_TYPES_H_
 #pragma once
 
 #include "base/time.h"
 #include "ui/base/events.h"
@@ skipping 51 matching lines @@
 class UI_EXPORT GestureEventHelper {
  public:
   virtual ~GestureEventHelper() {
   }
 
   // |flags| is ui::EventFlags. The meaning of |param_first| and |param_second|
   // depends on the specific gesture type (|type|).
   virtual GestureEvent* CreateGestureEvent(EventType type,
                                            const gfx::Point& location,
                                            int flags,
-                                           const base::Time time,
+                                           const base::Time& time,
                                            float param_first,
                                            float param_second,
                                            unsigned int touch_id_bitfield) = 0;
 
   virtual TouchEvent* CreateTouchEvent(EventType type,
                                        const gfx::Point& location,
                                        int touch_id,
-                                       base::TimeDelta time_stamp) = 0;
+                                       const base::TimeDelta& time_stamp) = 0;
 
   virtual bool DispatchLongPressGestureEvent(GestureEvent* event) = 0;
   virtual bool DispatchCancelTouchEvent(TouchEvent* event) = 0;
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_GESTURES_GESTURE_TYPES_H_