Added material design mouse hover feedback support.

ui/views/animation/ink_drop_painted_layer_delegates.cc

Index: ui/views/animation/ink_drop_painted_layer_delegates.cc
diff --git a/ui/views/animation/ink_drop_painted_layer_delegates.cc b/ui/views/animation/ink_drop_painted_layer_delegates.cc
index bdb79460e4964608ee017d113e685e212c9c0585..7d43b8a5c17881805fa086a5a04a6cf6a2a094fe 100644
--- a/ui/views/animation/ink_drop_painted_layer_delegates.cc
+++ b/ui/views/animation/ink_drop_painted_layer_delegates.cc
@@ -8,6 +8,7 @@
 #include "ui/compositor/paint_recorder.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/point_conversions.h"
+#include "ui/gfx/geometry/rect_f.h"
 
 namespace views {
 
@@ -82,4 +83,34 @@ void RectangleLayerDelegate::OnPaintLayer(const ui::PaintContext& context) {
   canvas->DrawRect(gfx::Rect(size_), paint);
 }
 
+////////////////////////////////////////////////////////////////////////////////
+//
+// RoundedRectangleLayerDelegate
+//
+
+RoundedRectangleLayerDelegate::RoundedRectangleLayerDelegate(SkColor color,
+                                                             gfx::Size size,
+                                                             int corner_radius)
+    : BasePaintedLayerDelegate(color),
+      size_(size),
+      corner_radius_(corner_radius) {}
+
+RoundedRectangleLayerDelegate::~RoundedRectangleLayerDelegate() {}
+
+gfx::PointF RoundedRectangleLayerDelegate::GetCenterPoint() const {
+  return gfx::RectF(gfx::SizeF(size_)).CenterPoint();
+}
+
+void RoundedRectangleLayerDelegate::OnPaintLayer(
+    const ui::PaintContext& context) {
+  SkPaint paint;
+  paint.setColor(color());
+  paint.setFlags(SkPaint::kAntiAlias_Flag);
+  paint.setStyle(SkPaint::kFill_Style);
+
+  ui::PaintRecorder recorder(context, size_);
+  gfx::Canvas* canvas = recorder.canvas();
+  canvas->DrawRoundRect(gfx::Rect(size_), corner_radius_, paint);
+}
+
 }  // namespace views