Implement compositor thread VSync aligned event queue

ui/events/blink/BUILD.gn

 # Copyright 2015 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.
 
 import("//build/config/ui.gni")
 
 source_set("blink") {
   sources = [
     "blink_event_util.cc",
     "blink_event_util.h",
+    "blink_features.cc",
+    "blink_features.h",
+    "compositor_thread_event_queue.cc",
+    "compositor_thread_event_queue.h",
     "did_overscroll_params.cc",
     "did_overscroll_params.h",
+    "event_with_callback.cc",
+    "event_with_callback.h",
     "input_handler_proxy.cc",
     "input_handler_proxy.h",
     "input_handler_proxy_client.h",
     "input_scroll_elasticity_controller.cc",
     "input_scroll_elasticity_controller.h",
     "scoped_web_input_event.cc",
     "scoped_web_input_event.h",
     "synchronous_input_handler_proxy.h",
     "web_input_event.cc",
     "web_input_event.h",
@@ skipping 12 matching lines @@
   ]
 
   if (is_win) {
     sources += [
       "web_input_event_builders_win.cc",
       "web_input_event_builders_win.h",
     ]
     deps += [ "//ui/display" ]
   }
 }