Delete site/try

site/try/src/iframe_error_handler.dart

Index: site/try/src/iframe_error_handler.dart
diff --git a/site/try/src/iframe_error_handler.dart b/site/try/src/iframe_error_handler.dart
deleted file mode 100644
index a1077be5455f386eb83bd1ea3452391f2413fcc4..0000000000000000000000000000000000000000
--- a/site/try/src/iframe_error_handler.dart
+++ /dev/null
@@ -1,96 +0,0 @@
-// Copyright (c) 2014, 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.
-
-library trydart.iframe_error_handler;
-
-// TODO(ahe): Remove this import if issue 17936 is fixed.
-import 'dart:js' as hack;
-
-import 'dart:html' show
-    Event,
-    IFrameElement,
-    window;
-
-import 'dart:async' show
-    Stream,
-    StreamController;
-
-class ErrorMessage {
-  final String message;
-  final String filename;
-  final num lineno;
-  final num colno;
-  final String stack;
-
-  ErrorMessage(
-      this.message, this.filename, this.lineno, this.colno, this.stack);
-
-  String toString() {
-    String result = filename == null ? '' : filename;
-    if (lineno != null && lineno != 0 && !lineno.isNaN) {
-      result += ':$lineno';
-    }
-    if (colno != null && colno != 0 && !colno.isNaN) {
-      result += ':$colno';
-    }
-    if (message != null && !message.isEmpty) {
-      if (!result.isEmpty) {
-        result += ': ';
-      }
-      result += message;
-    }
-    if (stack != null && !stack.isEmpty) {
-      if (!result.isEmpty) {
-        result += '\n';
-      }
-      result += stack;
-    }
-    return result;
-  }
-}
-
-Stream<ErrorMessage> errorStream(IFrameElement iframe) {
-  StreamController<ErrorMessage> controller =
-      new StreamController<ErrorMessage>();
-  void onError(
-      String message,
-      String filename,
-      int lineno,
-      [int colno,
-       error]) {
-    // See:
-    // https://mikewest.org/2013/08/debugging-runtime-errors-with-window-onerror
-    String stack;
-    if (error != null) {
-      var jsStack = error['stack'];
-      if (jsStack != null) {
-        stack = hack.context.callMethod('String', [jsStack]);
-      }
-    }
-    controller.add(new ErrorMessage(message, filename, lineno, colno, stack));
-  }
-
-  void installErrorHandler() {
-    // This method uses dart:js to install an error event handler on the content
-    // window of [iframe]. This is a workaround for http://dartbug.com/17936.
-    var iframeProxy = new hack.JsObject.fromBrowserObject(iframe);
-    var contentWindowProxy = iframeProxy['contentWindow'];
-    if (contentWindowProxy == null) {
-      String message =
-          'No contentWindow, call this method *after* adding iframe to'
-          ' document.';
-      window.console.error(message);
-      throw message;
-    }
-
-    // Note: we have two options, use "iframe.contentWindow.onerror = ..." or
-    // "iframe.contentWindow.addEventListener('error', ...)".  The former seems
-    // to provide more details on both Chrome and Firefox (which provides no
-    // information at all in error events).
-    contentWindowProxy['onerror'] = onError;
-  }
-  iframe.onLoad.listen((Event event) => installErrorHandler());
-  installErrorHandler();
-  return controller.stream;
-}