Revert 'Port the remaining of dart:core to the unified corelib.'

lib/compiler/implementation/lib/coreimpl.dartp

Index: lib/compiler/implementation/lib/coreimpl.dartp
diff --git a/lib/compiler/implementation/lib/coreimpl.dartp b/lib/compiler/implementation/lib/coreimpl.dartp
index 8cf9e7afe0343861b67ced8baa47b3a64a2f01cf..a906769f28eaa6e05966cafba8c1b68f10393791 100644
--- a/lib/compiler/implementation/lib/coreimpl.dartp
+++ b/lib/compiler/implementation/lib/coreimpl.dartp
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-// Patch file for dart:core.
+// Patch file for dart:core's Date class.
 
 patch class DateImplementation {
   patch DateImplementation(int years,
@@ -51,72 +51,3 @@ patch class DateImplementation {
 
   patch int get weekday() => Primitives.getWeekday(this);
 }
-
-patch class RuntimeOptions {
-  patch List<String> get arguments() {
-    if (_arguments === null) {
-      // On first access make a copy of the native arguments.
-      _arguments = _nativeArguments.getRange(0, _nativeArguments.length);
-    }
-    return _arguments;
-  }
-
-  patch String get executable() {
-    return _nativeExecutable;
-  }
-
-  patch String get script() {
-    return _nativeScript;
-  }
-
-  List<String> _arguments = null;
-
-  // This arguments singleton is written to by the embedder if applicable.
-  static List<String> _nativeArguments = const [];
-
-  // This executable singleton is written to by the embedder if applicable.
-  static String _nativeExecutable = '';
-
-  // This script singleton is written to by the embedder if applicable.
-  static String _nativeScript = '';
-}
-
-patch class _Clock {
-  patch static int now() => Primitives.dateNow();
-
-  patch static int frequency() => 1000;
-}
-
-patch class ExpandoImplementation<T> {
-  patch T operator[](Object object) {
-    var values = Primitives.getProperty(object, _EXPANDO_PROPERTY_NAME);
-    return (values === null) ? null : Primitives.getProperty(values, _getKey());
-  }
-
-  patch operator[]=(Object object, T value) {
-    var values = Primitives.getProperty(object, _EXPANDO_PROPERTY_NAME);
-    if (values === null) {
-      values = new Object();
-      Primitives.setProperty(object, _EXPANDO_PROPERTY_NAME, values);
-    }
-    Primitives.setProperty(values, _getKey(), value);
-  }
-
-  patch String toString() {
-    String key = _getKey();
-    return (name === null) ? "Expando:${key}" : "Expando:${name}@${key}";
-  }
-
-  String _getKey() {
-    String key = Primitives.getProperty(this, _KEY_PROPERTY_NAME);
-    if (key === null) {
-      key = "expando\$key\$${_keyCount++}";
-      Primitives.setProperty(this, _KEY_PROPERTY_NAME, key);
-    }
-    return key;
-  }
-
-  static final String _KEY_PROPERTY_NAME = 'expando\$key';
-  static final String _EXPANDO_PROPERTY_NAME = 'expando\$values';
-  static int _keyCount = 0;
-}