Revert of [builtins] Refactor the remaining Date builtins.

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/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
 if (is_android) {
@@ skipping 204 matching lines @@
     "src/messages.h",
     "src/js/prologue.js",
     "src/js/runtime.js",
     "src/js/v8natives.js",
     "src/js/symbol.js",
     "src/js/array.js",
     "src/js/string.js",
     "src/js/uri.js",
     "src/js/math.js",
     "src/third_party/fdlibm/fdlibm.js",
+    "src/js/date.js",
     "src/js/regexp.js",
     "src/js/arraybuffer.js",
     "src/js/typedarray.js",
     "src/js/iterator-prototype.js",
     "src/js/generator.js",
     "src/js/object-observe.js",
     "src/js/collection.js",
     "src/js/weak-collection.js",
     "src/js/collection-iterator.js",
     "src/js/promise.js",
@@ skipping 1650 matching lines @@
     if (!is_component_build) {
       sources += [
         "$target_gen_dir/d8-js.cc",
       ]
     }
     if (v8_enable_i18n_support) {
       deps += [ "//third_party/icu" ]
     }
   }
 }