events: Remove stationary touch-event type.

ash/touch/touch_uma.cc

Index: ash/touch/touch_uma.cc
diff --git a/ash/touch/touch_uma.cc b/ash/touch/touch_uma.cc
index d36ecf78c3fb5a7739739e9a6b16dd971c6a12eb..4b8cdfbc5bba6429f46328df558de3a8b542df9d 100644
--- a/ash/touch/touch_uma.cc
+++ b/ash/touch/touch_uma.cc
@@ -28,7 +28,7 @@ enum UMAEventType {
   UMA_ET_TOUCH_RELEASED,
   UMA_ET_TOUCH_PRESSED,
   UMA_ET_TOUCH_MOVED,
-  UMA_ET_TOUCH_STATIONARY,
+  UMA_ET_TOUCH_STATIONARY,  // Deprecated. Do not remove.
   UMA_ET_TOUCH_CANCELLED,
   UMA_ET_GESTURE_SCROLL_BEGIN,
   UMA_ET_GESTURE_SCROLL_END,
@@ -104,8 +104,6 @@ UMAEventType UMAEventTypeFromEvent(const ui::Event& event) {
       return UMA_ET_TOUCH_PRESSED;
     case ui::ET_TOUCH_MOVED:
       return UMA_ET_TOUCH_MOVED;
-    case ui::ET_TOUCH_STATIONARY:
-      return UMA_ET_TOUCH_STATIONARY;
     case ui::ET_TOUCH_CANCELLED:
       return UMA_ET_TOUCH_CANCELLED;
     case ui::ET_GESTURE_SCROLL_BEGIN: