Moved most of html lib generating scripts into tools.

sdk/lib/html/templates/html/impl/impl_XMLHttpRequest.darttemplate

Index: sdk/lib/html/templates/html/impl/impl_XMLHttpRequest.darttemplate
diff --git a/sdk/lib/html/templates/html/impl/impl_XMLHttpRequest.darttemplate b/sdk/lib/html/templates/html/impl/impl_XMLHttpRequest.darttemplate
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-// Copyright (c) 2012, 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.
-
-part of html;
-
-/**
- * A utility for retrieving data from a URL.
- * 
- * HttpRequest can be used to obtain data from http, ftp, and file
- * protocols. 
- * 
- * For example, suppose we're developing these API docs, and we
- * wish to retrieve the HTML of the top-level page and print it out.
- * The easiest way to do that would be:
- * 
- *     var httpRequest = HttpRequest.get('http://api.dartlang.org',
- *         (request) => print(request.responseText));
- * 
- * **Important**: With the default behavior of this class, your
- * code making the request should be served from the same origin (domain name,
- * port, and application layer protocol) as the URL you are trying to access
- * with HttpRequest. However, there are ways to 
- * [get around this restriction](http://www.dartlang.org/articles/json-web-service/#note-on-jsonp).
- * 
- * See also:
- *
- * * [Dart article on using HttpRequests](http://www.dartlang.org/articles/json-web-service/#getting-data)
- * * [JS XMLHttpRequest](https://developer.mozilla.org/en-US/docs/DOM/XMLHttpRequest)
- * * [Using XMLHttpRequest](https://developer.mozilla.org/en-US/docs/DOM/XMLHttpRequest/Using_XMLHttpRequest)
- */
-/// @domName XMLHttpRequest
-class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
-  /**
-   * Creates a URL get request for the specified `url`.
-   * 
-   * After completing the request, the object will call the user-provided
-   * [onComplete] callback.
-   */
-  factory $CLASSNAME.get(String url, onComplete($CLASSNAME request)) =>
-      _HttpRequestUtils.get(url, onComplete, false);
-
-  // 80 char issue for comments in lists: dartbug.com/7588.
-  /**
-   * Creates a URL GET request for the specified `url` with
-   * credentials such a cookie (already) set in the header or
-   * [authorization headers](http://tools.ietf.org/html/rfc1945#section-10.2).
-   * 
-   * After completing the request, the object will call the user-provided 
-   * [onComplete] callback.
-   *
-   * A few other details to keep in mind when using credentials:
-   *
-   * * Using credentials is only useful for cross-origin requests.
-   * * The `Access-Control-Allow-Origin` header of `url` cannot contain a wildcard (*).
-   * * The `Access-Control-Allow-Credentials` header of `url` must be set to true.
-   * * If `Access-Control-Expose-Headers` has not been set to true, only a subset of all the response headers will be returned when calling [getAllRequestHeaders].
-   * 
-   * See also: [authorization headers](http://en.wikipedia.org/wiki/Basic_access_authentication).
-   */
-  factory $CLASSNAME.getWithCredentials(String url,
-      onComplete($CLASSNAME request)) =>
-      _HttpRequestUtils.get(url, onComplete, true);
-
-$!MEMBERS
-}