Revert "Build Observatory with runtime"

runtime/observatory/lib/src/elements/observatory_element.dart

-// Copyright (c) 2013, 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 observatory_element;
-
-import 'dart:async';
-import 'dart:html';
-import 'package:observatory/app.dart';
-import 'package:polymer/polymer.dart';
-
-/// Base class for all Observatory custom elements.
-@CustomTag('observatory-element')
-class ObservatoryElement extends PolymerElement {
-  ObservatoryElement.created() : super.created();
-
-  ObservatoryApplication get app => ObservatoryApplication.app;
-  Page get page => app.currentPage;
-  ObservableMap get args => page.args;
-
-  @override
-  void attached() {
-    super.attached();
-    _startPoll();
-  }
-
-  @override
-  void attributeChanged(String name, var oldValue, var newValue) {
-    super.attributeChanged(name, oldValue, newValue);
-  }
-
-  @override
-  void detached() {
-    super.detached();
-    _stopPoll();
-  }
-
-  @override
-  void ready() {
-    super.ready();
-  }
-
-  /// Set to a non-null value to enable polling on this element. When the poll
-  /// timer fires, onPoll will be called.
-  @observable Duration pollPeriod;
-  Timer _pollTimer;
-
-  /// Called every [pollPeriod] while the element is attached to the DOM.
-  void onPoll() { }
-
-  void pollPeriodChanged(oldValue) {
-    if (pollPeriod != null) {
-      _startPoll();
-    } else {
-      _stopPoll();
-    }
-  }
-
-  void _startPoll() {
-    if (pollPeriod == null) {
-      return;
-    }
-    if (_pollTimer != null) {
-      _pollTimer.cancel();
-    }
-    _pollTimer = new Timer(pollPeriod, _onPoll);
-  }
-
-  void _stopPoll() {
-    if (_pollTimer != null) {
-      _pollTimer.cancel();
-    }
-    _pollTimer = null;
-  }
-
-  void _onPoll() {
-    onPoll();
-    if (pollPeriod == null) {
-      // Stop polling.
-      _stopPoll();
-      return;
-    }
-    // Restart timer.
-    _pollTimer = new Timer(pollPeriod, _onPoll);
-  }
-
-  /// Utility method for handling on-click of <a> tags. Navigates
-  /// within the application using the [LocationManager].
-  void goto(MouseEvent event, var detail, Element target) {
-    app.locationManager.onGoto(event, detail, target);
-  }
-
-  /// Create a link that can be consumed by [goto].
-  String gotoLink(String url) {
-    return app.locationManager.makeLink(url);
-  }
-
-  String formatTimePrecise(double time) => Utils.formatTimePrecise(time);
-
-  String formatTime(double time) => Utils.formatTime(time);
-
-  String formatSeconds(double x) => Utils.formatSeconds(x);
-
-
-  String formatSize(int bytes) => Utils.formatSize(bytes);
-
-  String fileAndLine(Map frame) {
-    var file = frame['script'].name;
-    var shortFile = file.substring(file.lastIndexOf('/') + 1);
-    return "${shortFile}:${frame['line']}";
-  }
-
-  int parseInt(String value) => int.parse(value);
-
-  String asStringLiteral(String value, [bool wasTruncated=false]) {
-    var result = new List();
-    result.add("'".codeUnitAt(0));
-    for (int codeUnit in value.codeUnits) {
-      if (codeUnit == '\n'.codeUnitAt(0)) result.addAll('\\n'.codeUnits);
-      else if (codeUnit == '\r'.codeUnitAt(0)) result.addAll('\\r'.codeUnits);
-      else if (codeUnit == '\f'.codeUnitAt(0)) result.addAll('\\f'.codeUnits);
-      else if (codeUnit == '\b'.codeUnitAt(0)) result.addAll('\\b'.codeUnits);
-      else if (codeUnit == '\t'.codeUnitAt(0)) result.addAll('\\t'.codeUnits);
-      else if (codeUnit == '\v'.codeUnitAt(0)) result.addAll('\\v'.codeUnits);
-      else if (codeUnit == '\$'.codeUnitAt(0)) result.addAll('\\\$'.codeUnits);
-      else if (codeUnit == '\\'.codeUnitAt(0)) result.addAll('\\\\'.codeUnits);
-      else if (codeUnit == "'".codeUnitAt(0)) result.addAll("'".codeUnits);
-      else if (codeUnit < 32) {
-         var escapeSequence = "\\u" + codeUnit.toRadixString(16).padLeft(4, "0");
-         result.addAll(escapeSequence.codeUnits);
-      } else result.add(codeUnit);
-    }
-    if (wasTruncated) {
-      result.addAll("...".codeUnits);
-    } else {
-      result.add("'".codeUnitAt(0));
-    }
-    return new String.fromCharCodes(result);
-  }
-}