Fix issue 4960 (getter syntax in html_enhanced_config).

pkg/unittest/html_enhanced_config.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.
 
 /**
  * A simple unit test library for running tests in a browser.
  *
  * Provides enhanced HTML output with collapsible group headers
  * and other at-a-glance information about the test results.
  */
@@ skipping 217 matching lines @@
 
     addRowElement('${test_.id}', '${test_.result.toUpperCase()}',
         '${test_.description}. ${_htmlEscape(test_.message)}');
 
     if (test_.stackTrace != null) {
       addRowElement('', '', '<pre>${_htmlEscape(test_.stackTrace)}</pre>');
     }
   }
 
 
-  static bool get _isIE() => document.window.navigator.userAgent.contains('MSIE');
+  static bool get _isIE => document.window.navigator.userAgent.contains('MSIE');
 
-  String get _htmlTestCSS() =>
+  String get _htmlTestCSS =>
   '''
   body{
     font-size: 14px;
-    font-family: 'Open Sans', 'Lucida Sans Unicode', 'Lucida Grande', sans-serif;
+    font-family: 'Open Sans', 'Lucida Sans Unicode', 'Lucida Grande','''
+  ''' sans-serif;
     background: WhiteSmoke;
   }
 
   .unittest-group
   {
     background: rgb(75,75,75);
     width:98%;
     color: WhiteSmoke;
     font-weight: bold;
     padding: 6px;
     cursor: pointer;
 
     /* Provide some visual separation between groups for IE */
     ${_isIE ? "border-bottom:solid black 1px;": ""}
     ${_isIE ? "border-top:solid #777777 1px;": ""}
 
-    background-image: -webkit-linear-gradient(bottom, rgb(50,50,50) 0%, rgb(100,100,100) 100%);
-    background-image: -moz-linear-gradient(bottom, rgb(50,50,50) 0%, rgb(100,100,100) 100%);
-    background-image: -ms-linear-gradient(bottom, rgb(50,50,50) 0%, rgb(100,100,100) 100%);
-    background-image: linear-gradient(bottom, rgb(50,50,50) 0%, rgb(100,100,100) 100%);
+    background-image: -webkit-linear-gradient(bottom, rgb(50,50,50) 0%, '''
+    '''rgb(100,100,100) 100%);
+    background-image: -moz-linear-gradient(bottom, rgb(50,50,50) 0%, '''
+    '''rgb(100,100,100) 100%);
+    background-image: -ms-linear-gradient(bottom, rgb(50,50,50) 0%, '''
+    '''rgb(100,100,100) 100%);
+    background-image: linear-gradient(bottom, rgb(50,50,50) 0%, '''
+    '''rgb(100,100,100) 100%);
 
     display: -webkit-box;
     display: -moz-box;
     display: -ms-box;
     display: box;
 
     -webkit-box-orient: horizontal;
     -moz-box-orient: horizontal;
     -ms-box-orient: horizontal;
     box-orient: horizontal;
 
     -webkit-box-align: center;
     -moz-box-align: center;
     -ms-box-align: center;
     box-align: center;
    }
 
   .unittest-group-status
   {
     width: 20px;
     height: 20px;
     border-radius: 20px;
     margin-left: 10px;
   }
 
   .unittest-group-status-pass{
     background: Green;
-    background: -webkit-radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
-    background: -moz-radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
-    background: -ms-radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
-    background: radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
+    background: '''
+    '''-webkit-radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
+    background: '''
+    '''-moz-radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
+    background: '''
+    '''-ms-radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
+    background: '''
+    '''radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
   }
 
   .unittest-group-status-fail{
     background: Red;
-    background: -webkit-radial-gradient(center, ellipse cover, #FFAAAA 0%,Red 100%);
-    background: -moz-radial-gradient(center, ellipse cover, #FFAAAA 0%,Red 100%);
-    background: -ms-radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
+    background: '''
+    '''-webkit-radial-gradient(center, ellipse cover, #FFAAAA 0%,Red 100%);
+    background: '''
+    '''-moz-radial-gradient(center, ellipse cover, #FFAAAA 0%,Red 100%);
+    background: '''
+    '''-ms-radial-gradient(center, ellipse cover, #AAFFAA 0%,Green 100%);
     background: radial-gradient(center, ellipse cover, #FFAAAA 0%,Red 100%);
   }
 
   .unittest-overall{
     font-size: 20px;
   }
 
   .unittest-summary{
     font-size: 18px;
   }
@@ skipping 48 matching lines @@
   .unittest-row-description
   {
   }
 
   ''';
 }
 
 void useHtmlEnhancedConfiguration([bool isLayoutTest = false]) {
   configure(new HtmlEnhancedConfiguration(isLayoutTest));
 }