Use standardized and extendable accelerometer update type.

ui/accelerometer/BUILD.gn

Index: ui/accelerometer/BUILD.gn
diff --git a/ui/events/ipc/BUILD.gn b/ui/accelerometer/BUILD.gn
similarity index 50%
copy from ui/events/ipc/BUILD.gn
copy to ui/accelerometer/BUILD.gn
index 0462410905e24a96eef3cefa85249a6930b817ab..1e53ab7947dbcc4724a35bd372296adf13a58dcc 100644
--- a/ui/events/ipc/BUILD.gn
+++ b/ui/accelerometer/BUILD.gn
@@ -4,18 +4,17 @@
 
 import("//build/config/ui.gni")
 
-component("ipc") {
-  output_name = "events_ipc"
+component("accelerometer") {
+  output_name = "ui_accelerometer"
   sources = [
-    "latency_info_param_traits.cc",
-    "latency_info_param_traits.h",
+    "accelerometer_types.cc",
+    "accelerometer_types.h",
+    "ui_accelerometer_export.h",
   ]
 
-  defines = [ "EVENTS_IMPLEMENTATION" ]
+  defines = [ "UI_ACCELEROMETER_IMPLEMENTATION" ]
 
   deps = [
-    "//ipc",
-    "//ui/events",
+    "//ui/gfx/geometry",
   ]
 }
-