Moving LatencyInfo into a separate component.

ui/latency/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_EVENTS_LATENCY_INFO_H_
-#define UI_EVENTS_LATENCY_INFO_H_
+#ifndef UI_LATENCY_LATENCY_INFO_H_
+#define UI_LATENCY_LATENCY_INFO_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/containers/small_map.h"
 #include "base/time/time.h"
-#include "ui/events/events_base_export.h"
 #include "ui/gfx/geometry/point_f.h"
 
 #if !defined(OS_IOS)
 #include "ipc/ipc_param_traits.h"  // nogncheck
 #include "mojo/public/cpp/bindings/struct_traits.h"  // nogncheck
 #endif
 
 namespace base {
 namespace trace_event {
 class ConvertableToTraceFormat;
@@ skipping 78 matching lines @@
 };
 
 enum SourceEventType {
   UNKNOWN,
   WHEEL,
   TOUCH,
   OTHER,
   SOURCE_EVENT_TYPE_LAST = OTHER,
 };
 
-class EVENTS_BASE_EXPORT LatencyInfo {
+class LatencyInfo {
  public:
   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_t sequence_number;
     // Average time of events that happened in this component.
     base::TimeTicks event_time;
     // Count of events that happened in this component
     uint32_t event_count;
@@ skipping 125 matching lines @@
 
 #if !defined(OS_IOS)
   friend struct IPC::ParamTraits<ui::LatencyInfo>;
   friend struct mojo::StructTraits<ui::mojom::LatencyInfoDataView,
                                    ui::LatencyInfo>;
 #endif
 };
 
 }  // namespace ui
 
-#endif  // UI_EVENTS_LATENCY_INFO_H_
+#endif  // UI_LATENCY_LATENCY_INFO_H_