Overscroll and Elasticity for views::ScrollView

ui/compositor/overscroll/ui_input_handler.h

 // 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.
 
 #ifndef UI_COMPOSITOR_OVERSCROLL_UI_INPUT_HANLDER_H_
 #define UI_COMPOSITOR_OVERSCROLL_UI_INPUT_HANLDER_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "cc/input/input_handler.h"
+#include "ui/events/blink/input_scroll_elasticity_controller.h"
 
 namespace ui {
 
 class ScrollEvent;
 
 // Class to feed UI-thread scroll events to a cc::InputHandler. Inspired by
 // ui::InputHandlerProxy but greatly simplified.
 class UIInputHandler : public cc::InputHandlerClient {
  public:
   explicit UIInputHandler(const base::WeakPtr<cc::InputHandler>& input_handler);
@@ skipping 13 matching lines @@
   void UpdateRootLayerStateForSynchronousInputHandler(
       const gfx::ScrollOffset& total_scroll_offset,
       const gfx::ScrollOffset& max_scroll_offset,
       const gfx::SizeF& scrollable_size,
       float page_scale_factor,
       float min_page_scale_factor,
       float max_page_scale_factor) override;
 
  private:
   cc::InputHandler* input_handler_;  // Weak. Cleared in WillShutdown().
+  InputScrollElasticityController scroll_elasticity_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(UIInputHandler);
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_OVERSCROLL_UI_INPUT_HANLDER_H_