Move LatencyInfo to ui/latency_info

ui/events/BUILD.gn

Index: ui/events/BUILD.gn
diff --git a/ui/events/BUILD.gn b/ui/events/BUILD.gn
index 20b75f2cbdaea7a7482d973a3d479cb9fd474328..21eecf0b91a68b5880e313496e824b6d14d76d33 100644
--- a/ui/events/BUILD.gn
+++ b/ui/events/BUILD.gn
@@ -54,8 +54,6 @@ component("events_base") {
     "keycodes/keyboard_code_conversion_win.cc",
     "keycodes/keyboard_code_conversion_win.h",
     "keycodes/keyboard_codes.h",
-    "latency_info.cc",
-    "latency_info.h",
   ]
 
   defines = [ "EVENTS_BASE_IMPLEMENTATION" ]
@@ -151,6 +149,7 @@ component("events") {
     "//skia",
     "//ui/gfx",
     "//ui/gfx/geometry",
+    "//ui/latency_info",
   ]
 
   if (use_x11) {
@@ -368,7 +367,6 @@ test("events_unittests") {
     "keycodes/dom/keycode_converter_unittest.cc",
     "keycodes/keyboard_code_conversion_unittest.cc",
     "keycodes/platform_key_map_win_unittest.cc",
-    "latency_info_unittest.cc",
     "platform/platform_event_source_unittest.cc",
     "scoped_target_handler_unittest.cc",
     "win/event_utils_win_unittest.cc",
@@ -389,6 +387,7 @@ test("events_unittests") {
     "//ui/events/devices",
     "//ui/events/platform",
     "//ui/gfx:test_support",
+    "//ui/latency_info",
   ]
 
   if (!is_ios) {
@@ -396,7 +395,6 @@ test("events_unittests") {
       "blink/input_handler_proxy_unittest.cc",
       "blink/input_scroll_elasticity_controller_unittest.cc",
       "gestures/blink/web_gesture_curve_impl_unittest.cc",
-      "ipc/latency_info_param_traits_unittest.cc",
     ]
     deps += [
       "//cc",
@@ -404,7 +402,6 @@ test("events_unittests") {
       "//third_party/WebKit/public:blink_headers",
       "//ui/events/blink",
       "//ui/events/gestures/blink",
-      "//ui/events/ipc",
     ]
   }