refactor(render): move services to right location

core/compiler/events -> render/dom/events
core/compiler/url_resolver -> services/url_resolver
core/compiler/xhr/* -> services/*

modules/angular2/src/services/url_resolver.js

@@ -0,0 +1,38 @@
+import {Injectable} from 'angular2/di';
+import {isPresent, isBlank, RegExpWrapper, BaseException} from 'angular2/src/facade/lang';
+import {DOM} from 'angular2/src/dom/dom_adapter';
+
+@Injectable()
+export class UrlResolver {
+  static a;
+
+  constructor() {
+    if (isBlank(UrlResolver.a)) {
+      UrlResolver.a = DOM.createElement('a');
+    }
+  }
+
+  resolve(baseUrl: string, url: string): string {
+    if (isBlank(baseUrl)) {
+      DOM.resolveAndSetHref(UrlResolver.a, url, null);
+      return DOM.getHref(UrlResolver.a);
+    }
+
+    if (isBlank(url) || url == '') return baseUrl;
+
+    if (url[0] == '/') {
+      throw new BaseException(`Could not resolve the url ${url} from ${baseUrl}`);
+    }
+
+    var m = RegExpWrapper.firstMatch(_schemeRe, url);
+
+    if (isPresent(m[1])) {
+      return url;
+    }
+
+    DOM.resolveAndSetHref(UrlResolver.a, baseUrl, url);
+    return DOM.getHref(UrlResolver.a);
+  }
+}
+
+var _schemeRe = RegExpWrapper.create('^([^:/?#]+:)?');

modules/angular2/src/services/xhr.js

@@ -0,0 +1,7 @@
+import {Promise} from 'angular2/src/facade/async';
+
+export class XHR {
+  get(url: string): Promise<string> {
+    return null;
+  }
+}

modules/angular2/src/services/xhr_impl.dart

@@ -0,0 +1,14 @@
+import 'dart:async';
+import 'dart:html';
+import 'package:angular2/di.dart';
+import './xhr.dart' show XHR;
+
+@Injectable()
+class XHRImpl extends XHR {
+  Future<String> get(String url) {
+    return HttpRequest.request(url).then(
+      (HttpRequest request) => request.responseText,
+      onError: (Error e) => throw 'Failed to load $url'
+    );
+  }
+}

modules/angular2/src/services/xhr_impl.es6

@@ -0,0 +1,29 @@
+import {Injectable} from 'angular2/di';
+import {Promise, PromiseWrapper} from 'angular2/src/facade/async';
+import {XHR} from './xhr';
+
+@Injectable()
+export class XHRImpl extends XHR {
+  get(url: string): Promise<string> {
+    var completer = PromiseWrapper.completer();
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url, true);
+    xhr.responseType = 'text';
+
+    xhr.onload = function() {
+      var status = xhr.status;
+      if (200 <= status && status <= 300) {
+        completer.resolve(xhr.responseText);
+      } else {
+        completer.reject(`Failed to load ${url}`);
+      }
+    };
+
+    xhr.onerror = function() {
+      completer.reject(`Failed to load ${url}`);
+    };
+
+    xhr.send();
+    return completer.promise;
+  }
+}