Implement large cursors in Mushrome.

ash/display/cursor_window_controller.cc

Index: ash/display/cursor_window_controller.cc
diff --git a/ash/display/cursor_window_controller.cc b/ash/display/cursor_window_controller.cc
index 075529636a4ceaf6b3aba9d45ca176515bd510dc..695b6becf2f1f4df0467e35e50d933e7665cb15c 100644
--- a/ash/display/cursor_window_controller.cc
+++ b/ash/display/cursor_window_controller.cc
@@ -90,7 +90,7 @@ CursorWindowController::CursorWindowController()
       container_(NULL),
       cursor_type_(ui::CursorType::kNone),
       visible_(true),
-      cursor_set_(ui::CURSOR_SET_NORMAL),
+      cursor_set_(ui::CursorSet::kNormal),
       large_cursor_size_in_dip_(ash::kDefaultLargeCursorSize),
       delegate_(new CursorWindowDelegate()) {}
 
@@ -190,7 +190,7 @@ void CursorWindowController::SetCursor(gfx::NativeCursor cursor) {
   UpdateCursorVisibility();
 }
 
-void CursorWindowController::SetCursorSet(ui::CursorSetType cursor_set) {
+void CursorWindowController::SetCursorSet(ui::CursorSet cursor_set) {
   cursor_set_ = cursor_set;
   UpdateCursorImage();
 }
@@ -288,7 +288,7 @@ void CursorWindowController::UpdateCursorImage() {
     // large cursor. We don't need to care about the case where cursor
     // compositing is disabled as we always use cursor compositing if
     // accessibility large cursor is enabled.
-    if (cursor_set_ == ui::CursorSetType::CURSOR_SET_LARGE &&
+    if (cursor_set_ == ui::CursorSet::kLarge &&
         large_cursor_size_in_dip_ != image->size().width()) {
       float rescale = static_cast<float>(large_cursor_size_in_dip_) /
                       static_cast<float>(image->size().width());