Moved out include directive for styles from header of RippleAnimation.

ui/effects/ripple_animation.cpp

@@ -10,6 +10,7 @@
 #include "ui/painter.h"
 #include "ui/ui_utility.h"
 #include "ui/image/image_prepare.h"
+#include "styles/style_widgets.h"
 
 namespace Ui {
 

ui/effects/ripple_animation.h

@@ -6,14 +6,16 @@
 //
 #pragma once
 
-#include "styles/style_widgets.h"
-
 #include <deque>
 
 namespace Images {
 struct CornersMaskRef;
 } // namespace Images
 
+namespace style {
+struct RippleAnimation;
+} // namespace style
+
 namespace Ui {
 
 class RippleAnimation {