[Views] Update ink drop for omnibox icons

ui/views/animation/ink_drop.h

Index: ui/views/animation/ink_drop.h
diff --git a/ui/views/animation/ink_drop.h b/ui/views/animation/ink_drop.h
index 0eb419e11105867f8c25447dee516146f55fd213..5e4023ac917c9f1917fcaf2aca6f90da1dded94c 100644
--- a/ui/views/animation/ink_drop.h
+++ b/ui/views/animation/ink_drop.h
@@ -46,6 +46,10 @@ class VIEWS_EXPORT InkDrop {
   // Enables or disables the focus state.
   virtual void SetFocused(bool is_focused) = 0;
 
+  // Returns true if the highlight should be visible based on the hover/focus
+  // status.
+  virtual bool ShouldHighlight() const = 0;

[bruthig, 2017/03/08 18:58:24]

If we keep this function we should come up with a better name.  Something like
IsHighlighted() with clear documentation that this reports the logical highlight
state and not necessarily the visible highlight state.

[spqchan, 2017/03/14 00:07:52]

I just realized that there's a IsHighlightFadingInOrVisible() method I could use
instead.

+
  protected:
   InkDrop() {}