Revert "Revert 224496 "Move ui/base/latency_info* to ui/events""

ui/events/latency_info.h

 // Copyright 2013 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.
 
-#ifndef UI_BASE_LATENCY_INFO_H_
-#define UI_BASE_LATENCY_INFO_H_
+#ifndef UI_EVENTS_LATENCY_INFO_H_
+#define UI_EVENTS_LATENCY_INFO_H_
 
 #include <map>
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/time/time.h"
-#include "ui/base/ui_export.h"
+#include "ui/events/events_export.h"
 
 namespace ui {
 
 enum LatencyComponentType {
   // Timestamp when the input event is sent from RenderWidgetHost to renderer.
   INPUT_EVENT_LATENCY_RWH_COMPONENT,
   // Timestamp when the scroll update gesture event is sent from RWH to
   // renderer. In Aura, touch event's LatencyInfo is carried over to the gesture
   // event. So gesture event's INPUT_EVENT_LATENCY_RWH_COMPONENT is the
   // timestamp when its original touch events is sent from RWH to renderer.
   // In non-aura platform, INPUT_EVENT_LATENCY_SCROLL_UPDATE_RWH_COMPONENT
   // is the same as INPUT_EVENT_LATENCY_RWH_COMPONENT.
   INPUT_EVENT_LATENCY_SCROLL_UPDATE_RWH_COMPONENT,
   // The original timestamp of the touch event which converts to scroll update.
   INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT,
   // Original timestamp for input event (e.g. timestamp from kernel).
   INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT,
   // Timestamp when the UI event is created.
   INPUT_EVENT_LATENCY_UI_COMPONENT,
   // Timestamp when the event is acked from renderer. This is currently set
   // only for touch events.
   INPUT_EVENT_LATENCY_ACKED_COMPONENT
 };
 
-struct UI_EXPORT LatencyInfo {
+struct EVENTS_EXPORT LatencyInfo {
   struct LatencyComponent {
     // Nondecreasing number that can be used to determine what events happened
     // in the component at the time this struct was sent on to the next
     // component.
     int64 sequence_number;
     // Average time of events that happened in this component.
     base::TimeTicks event_time;
     // Count of events that happened in this component
     uint32 event_count;
   };
@@ skipping 37 matching lines @@
   void Clear();
 
   LatencyMap latency_components;
 
   // This represents the final time that a frame is displayed it.
   base::TimeTicks swap_timestamp;
 };
 
 }  // namespace ui
 
-#endif  // UI_BASE_LATENCY_INFO_H_
+#endif  // UI_EVENTS_LATENCY_INFO_H_