events: Remove stationary touch-event type.

ash/touch/touch_uma.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/touch/touch_uma.h"
 
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/shell.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/stringprintf.h"
@@ skipping 10 matching lines @@
 #include <X11/Xlib.h>
 #endif
 
 namespace {
 
 enum UMAEventType {
   UMA_ET_UNKNOWN,
   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,
   UMA_ET_GESTURE_SCROLL_UPDATE,
   UMA_ET_GESTURE_TAP,
   UMA_ET_GESTURE_TAP_DOWN,
   UMA_ET_GESTURE_BEGIN,
   UMA_ET_GESTURE_END,
   UMA_ET_GESTURE_DOUBLE_TAP,
   UMA_ET_GESTURE_TRIPLE_TAP,
@@ skipping 55 matching lines @@
 
 
 UMAEventType UMAEventTypeFromEvent(const ui::Event& event) {
   switch (event.type()) {
     case ui::ET_TOUCH_RELEASED:
       return UMA_ET_TOUCH_RELEASED;
     case ui::ET_TOUCH_PRESSED:
       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:
       return UMA_ET_GESTURE_SCROLL_BEGIN;
     case ui::ET_GESTURE_SCROLL_END:
       return UMA_ET_GESTURE_SCROLL_END;
     case ui::ET_GESTURE_SCROLL_UPDATE: {
       const ui::GestureEvent& gesture =
           static_cast<const ui::GestureEvent&>(event);
       if (gesture.details().touch_points() >= 4)
@@ skipping 345 matching lines @@
       return GESTURE_OMNIBOX_SCROLL;
     if (event.type() == ui::ET_GESTURE_PINCH_BEGIN)
       return GESTURE_OMNIBOX_PINCH;
     return GESTURE_UNKNOWN;
   }
 
   return GESTURE_UNKNOWN;
 }
 
 }  // namespace ash