Revert "Remove deprecated classes and functions in Date."

corelib/src/date.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // 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.
 
 // Dart core library.
 
 /**
  * Date is the public interface to a point in time.
  */
 interface Date extends Comparable, Hashable default DateImplementation {
@@ skipping 30 matching lines @@
   Date(int year,
        [int month,
         int day,
         int hours,
         int minutes,
         int seconds,
         int milliseconds,
         bool isUtc]);
 
   /**
+   * Constructs a [Date] instance based on the individual parts.
+   * [timeZone] may not be [:null:].
+   *
+   * *DEPRECATED*
+   */
+  Date.withTimeZone(int year,
+                    int month,
+                    int day,
+                    int hours,
+                    int minutes,
+                    int seconds,
+                    int milliseconds,
+                    TimeZone timeZone);
+
+  /**
    * Constructs a new [Date] instance with current date time value in the
    * local time zone.
    */
   Date.now();
 
   /**
    * Constructs a new [Date] instance based on [formattedString].
    */
   Date.fromString(String formattedString);
 
@@ skipping 46 matching lines @@
   Date toLocal();
 
   /**
    * Returns [this] in UTC. Returns itself if it is already in UTC. Otherwise,
    * this method is equivalent to
    * [:new Date.fromEpoch(this.value, isUtc: true):].
    */
   Date toUtc();
 
   /**
+   * Returns a new [Date] in the given [targetTimeZone] time zone. The
+   * [value] of the new instance is equal to [:this.value:].
+   *
+   * This call is equivalent to
+   *  [:new Date.fromEpoch(this.value, targetTimeZone):].
+   *
+   * *DEPRECATED*
+   */
+  Date changeTimeZone(TimeZone targetTimeZone);
+
+  /**
    * Returns the abbreviated time-zone name.
    *
    * Examples: [:"CET":] or [:"CEST":].
    */
   String get timeZoneName();
 
   /**
    * The time-zone offset is the difference between local time and UTC. That is,
    * the offset is positive for time zones west of UTC.
    *
@@ skipping 69 matching lines @@
   /**
    * Returns a new [Date] with the [duration] subtracted from this instance.
    */
   Date subtract(Duration duration);
 
   /**
    * Returns a [Duration] with the difference of [:this:] and [other].
    */
   Duration difference(Date other);
 }