[ash-md] Animates ToggleButton highlight to move it in sync with the thumb

ui/views/animation/ink_drop_host.h

Index: ui/views/animation/ink_drop_host.h
diff --git a/ui/views/animation/ink_drop_host.h b/ui/views/animation/ink_drop_host.h
index d6b39bf2344efd6e27223ad15265f2704ab49554..d201e1d1ca56d7e5bc2c285c41859ded6e6ee088 100644
--- a/ui/views/animation/ink_drop_host.h
+++ b/ui/views/animation/ink_drop_host.h
@@ -44,6 +44,9 @@ class VIEWS_EXPORT InkDropHost {
   // Creates and returns the effect used for hover and focus.
   virtual std::unique_ptr<InkDropHighlight> CreateInkDropHighlight() const = 0;
 
+  // Translates the root layer by |offset|.
+  virtual void OffsetInkDropRipple(const gfx::Vector2d& offset) = 0;

[bruthig, 2016/10/08 22:44:46]

I think it would be better to move this function into the InkDrop interface
instead of here.  All of the descendants of InkDropHostView would be able to
access the ink_drop_  anyway.

[varkha, 2016/10/12 00:44:59]

Acknowledged.

+
  private:
   DISALLOW_COPY_AND_ASSIGN(InkDropHost);
 };