Use ink drop hover for focus states on toolbar buttons and location

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 c79828ac5672276d84c892e4c9aa7bcb818c1cd7..b076b524526f6f42e46f5a46c41694d28f11b054 100644
--- a/ui/views/animation/ink_drop.h
+++ b/ui/views/animation/ink_drop.h
@@ -47,6 +47,9 @@ class VIEWS_EXPORT InkDrop {
   // Enables or disables the hover state.
   virtual void SetHovered(bool is_hovered) = 0;
 
+  // Enables or disables the focus state.
+  virtual void SetFocused(bool is_focused) = 0;
+
  protected:
   InkDrop() {}