Fix date picker performance issues, crash, and incorrect pre-1582 dates.

ui/android/ui_android.gyp

 # Copyright 2013 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 149 matching lines @@
       'android_unmangled_name': 1,
       'type': 'none',
       'variables': {
         'grd_file': '../../ui/android/java/strings/android_ui_strings.grd',
       },
       'includes': [
         '../../build/java_strings_grd.gypi',
       ],
     },
     {
+      # GN: //ui/android:ui_junit_tests
+      'target_name': 'ui_junit_tests',
+      'type': 'none',
+      'dependencies': [
+        'ui_java',
+        '../../base/base.gyp:base',
+        '../../base/base.gyp:base_junit_test_support',
+        '../../testing/android/junit/junit_test.gyp:junit_test_support',
+      ],
+      'variables': {
+        'main_class': 'org.chromium.testing.local.JunitTestMain',
+        'src_paths': [
+          'junit/',
+        ],
+      },
+      'includes': [
+        '../../build/host_jar.gypi',
+      ],
+    },
+    {
       # GN version: //ui/android:ui_android_unittests
       'target_name': 'ui_android_unittests',
       'type': '<(gtest_target_type)',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/base.gyp:test_support_base',
         '../../cc/cc.gyp:cc',
         '../../cc/cc_tests.gyp:cc_test_support',
         '../../skia/skia.gyp:skia',
         '../../testing/android/native_test.gyp:native_test_native_code',
@@ skipping 38 matching lines @@
             ],
             'sources': [
               'ui_android_unittests_apk.isolate',
             ],
           },
         ]
       }
     ],
   ]
 }