Unified BeginFrame scheduling

ui/base/BUILD.gn

 # Copyright 2014 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")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
@@ skipping 77 matching lines @@
     "cocoa/remote_layer_api.h",
     "cocoa/remote_layer_api.mm",
     "cocoa/tracking_area.h",
     "cocoa/tracking_area.mm",
     "cocoa/underlay_opengl_hosting_window.h",
     "cocoa/underlay_opengl_hosting_window.mm",
     "cocoa/view_description.h",
     "cocoa/view_description.mm",
     "cocoa/window_size_constants.h",
     "cocoa/window_size_constants.mm",
+    "compositor/compositor_begin_frame_observer.h",
     "cursor/cursor.cc",
     "cursor/cursor.h",
     "cursor/cursor_android.cc",
     "cursor/cursor_loader.h",
     "cursor/cursor_util.cc",
     "cursor/cursor_util.h",
     "cursor/cursor_win.cc",
     "cursor/cursors_aura.cc",
     "cursor/cursors_aura.h",
     "cursor/image_cursors.cc",
@@ skipping 782 matching lines @@
     deps += [
       "//ui/aura:test_support",
       "//ui/events:gesture_detection",
       #'../chromeos/chromeos.gyp:chromeos',  TODO(GYP)
       #'chromeos/ui_chromeos.gyp:ui_chromeos',
     ]
   }
 }
 }
 # TODO(GYP) Mac (ui_unittest_bundle) and Android (ui_unittests_apk).