Apply MD style to Linux avatar buttons.

ui/views/animation/ink_drop_host_view.h

Index: ui/views/animation/ink_drop_host_view.h
diff --git a/ui/views/animation/ink_drop_host_view.h b/ui/views/animation/ink_drop_host_view.h
index 9aad7380797dfe4c17334567c25775f373062962..fc39a978134d882d0a4a7be41cee371a07642553 100644
--- a/ui/views/animation/ink_drop_host_view.h
+++ b/ui/views/animation/ink_drop_host_view.h
@@ -52,6 +52,7 @@ class VIEWS_EXPORT InkDropHostView : public View, public InkDropHost {
   // TODO(bruthig): Add an easier mechanism than overriding functions to allow
   // subclasses/clients to specify the flavor of ink drop.
   void SetInkDropMode(InkDropMode ink_drop_mode);
+  InkDropMode ink_drop_mode() const { return ink_drop_mode_; }
 
   void set_ink_drop_visible_opacity(float visible_opacity) {
     ink_drop_visible_opacity_ = visible_opacity;