Replace views::MouseEvent with ui::MouseEvent

ui/views/controls/slider.cc

Index: ui/views/controls/slider.cc
===================================================================
--- ui/views/controls/slider.cc	(revision 151406)
+++ ui/views/controls/slider.cc	(working copy)
@@ -223,19 +223,19 @@
   View::OnPaint(canvas);
 }
 
-bool Slider::OnMousePressed(const views::MouseEvent& event) {
+bool Slider::OnMousePressed(const ui::MouseEvent& event) {
   if (listener_)
     listener_->SliderDragStarted(this);
   MoveButtonTo(event.location());
   return true;
 }
 
-bool Slider::OnMouseDragged(const views::MouseEvent& event) {
+bool Slider::OnMouseDragged(const ui::MouseEvent& event) {
   MoveButtonTo(event.location());
   return true;
 }
 
-void Slider::OnMouseReleased(const views::MouseEvent& event) {
+void Slider::OnMouseReleased(const ui::MouseEvent& event) {
   if (listener_)
     listener_->SliderDragEnded(this);
 }