|  | // 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_RENDERER_WEBSCROLLBARBEHAVIOR_IMPL_MAC_H_ | 
|  | #define CONTENT_RENDERER_WEBSCROLLBARBEHAVIOR_IMPL_MAC_H_ | 
|  |  | 
|  | #include "third_party/WebKit/public/platform/WebScrollbarBehavior.h" | 
|  |  | 
|  | namespace content { | 
|  |  | 
|  | class WebScrollbarBehaviorImpl : public blink::WebScrollbarBehavior { | 
|  | public: | 
|  | WebScrollbarBehaviorImpl(); | 
|  |  | 
|  | bool ShouldCenterOnThumb(blink::WebPointerProperties::Button mouseButton, | 
|  | bool shiftKeyPressed, | 
|  | bool altKeyPressed) override; | 
|  |  | 
|  | void set_jump_on_track_click(bool jump_on_track_click) { | 
|  | jump_on_track_click_ = jump_on_track_click; | 
|  | } | 
|  |  | 
|  | private: | 
|  | // The current value of AppleScrollerPagingBehavior from NSUserDefaults. | 
|  | bool jump_on_track_click_; | 
|  | }; | 
|  |  | 
|  | }  // namespace content | 
|  |  | 
|  | #endif  // CONTENT_RENDERER_WEBSCROLLBARBEHAVIOR_IMPL_MAC_H_ |