Hide location bar on WebKit programmatic scroll.

cc/top_controls_manager.h

 // Copyright 2013 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 CC_TOP_CONTROLS_MANAGER_H_
 #define CC_TOP_CONTROLS_MANAGER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "cc/layer_impl.h"
@@ skipping 39 matching lines @@
   AnimationDirection animation_direction() { return animation_direction_; }
 
   void enable_hiding_top_controls(bool enable) { enable_hiding_ = enable; }
 
   void ScrollBegin();
   gfx::Vector2dF ScrollBy(const gfx::Vector2dF pending_delta);
   void ScrollEnd();
 
   void Animate(base::TimeTicks monotonic_time);
 
+  void HideTopControls();
+
  protected:
   TopControlsManager(TopControlsManagerClient* client,
                      float top_controls_height,
                      float top_controls_show_threshold,
                      float top_controls_hide_threshold);
 
  private:
   gfx::Vector2dF ScrollInternal(const gfx::Vector2dF pending_delta);
   void ResetAnimations();
   float RootScrollLayerTotalScrollY();
@@ skipping 22 matching lines @@
   // The height of the visible top control such that it must be hidden when
   // the user stops the scroll.
   float top_controls_hide_height_;
 
   DISALLOW_COPY_AND_ASSIGN(TopControlsManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_TOP_CONTROLS_MANAGER_H_