Replace views::Event with ui::Event.

ash/shell/window_type_launcher.cc

Index: ash/shell/window_type_launcher.cc
===================================================================
--- ash/shell/window_type_launcher.cc	(revision 151055)
+++ ash/shell/window_type_launcher.cc	(working copy)
@@ -96,7 +96,7 @@
 
   // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
-                             const views::Event& event) OVERRIDE {
+                             const ui::Event& event) OVERRIDE {
     DCHECK(sender == open_button_);
     OpenModalWindow(GetWidget()->GetNativeView(), modal_type_);
   }
@@ -287,7 +287,7 @@
 }
 
 void WindowTypeLauncher::ButtonPressed(views::Button* sender,
-                                       const views::Event& event) {
+                                       const ui::Event& event) {
   if (sender == create_button_) {
     ToplevelWindow::CreateParams params;
     params.can_resize = true;