Revert of Move LatencyInfo to ui/latency_info

ui/events/events.gyp

Index: ui/events/events.gyp
diff --git a/ui/events/events.gyp b/ui/events/events.gyp
index 8c814d365d6295279d9cd0c8b05a11143ecea7a2..c8d994f5e4b7dfa9c59b8663437a115f67afb729 100644
--- a/ui/events/events.gyp
+++ b/ui/events/events.gyp
@@ -66,6 +66,8 @@
         'keycodes/keyboard_code_conversion_x.cc',
         'keycodes/keyboard_code_conversion_x.h',
         'keycodes/keyboard_codes.h',
+        'latency_info.cc',
+        'latency_info.h',
         'x/keysym_to_unicode.cc',
         'x/keysym_to_unicode.h',
       ],
@@ -98,7 +100,6 @@
         '<(DEPTH)/skia/skia.gyp:skia',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
-        '../latency_info/latency_info.gyp:latency_info',
         'dom_keycode_converter',
         'events_base',
         'gesture_detection',
@@ -300,6 +301,24 @@
       ],
     },
     {
+      # GN version: //ui/events/ipc:events_ipc
+      'target_name': 'events_ipc',
+      'type': '<(component)',
+      'dependencies': [
+        '<(DEPTH)/base/base.gyp:base',
+        '<(DEPTH)/ipc/ipc.gyp:ipc',
+        'events_base',
+      ],
+      'defines': [
+        'EVENTS_IPC_IMPLEMENTATION',
+      ],
+      'sources': [
+        'ipc/latency_info_param_traits.cc',
+        'ipc/latency_info_param_traits.h',
+        'ipc/latency_info_param_traits_macros.h',
+      ],
+    },
+    {
       # GN version: //ui/events:test_support
       'target_name': 'events_test_support',
       'type': 'static_library',