Add SkipSlow marker

tools/testing/dart/status_file_parser.dart

 // 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.
 
 library status_file_parser;
 
 import "dart:async";
 import "dart:convert" show LineSplitter, UTF8;
 import "dart:io";
 
@@ skipping 15 matching lines @@
       byName('MissingCompileTimeError');
   static Expectation STATIC_WARNING = byName('StaticWarning');
   static Expectation MISSING_STATIC_WARNING =
       byName('MissingStaticWarning');
   static Expectation PUB_GET_ERROR = byName('PubGetError');
 
   // "meta expectations"
   static Expectation OK = byName('Ok');
   static Expectation SLOW = byName('Slow');
   static Expectation SKIP = byName('Skip');
+  static Expectation SKIP_SLOW = byName('SkipSlow');
   static Expectation SKIP_BY_DESIGN = byName('SkipByDesign');
 
   static Expectation byName(String name) {
     _initialize();
     name = name.toLowerCase();
     if (!_AllExpectations.containsKey(name)) {
       throw new Exception("Expectation.byName(name='$name'): Invalid name.");
     }
     return _AllExpectations[name];
   }
@@ skipping 19 matching lines @@
       build("MissingCompileTimeError", group: fail);
       build("MissingRuntimeError", group: fail);
       build("CompileTimeError", group: fail);
       build("RuntimeError", group: fail);
 
       build("MissingStaticWarning", group: fail);
       build("StaticWarning", group: fail);
 
       build("PubGetError", group: fail);
 
-      build("Skip", isMetaExpectation: true);
+      var skip = build("Skip", isMetaExpectation: true);
       build("SkipByDesign", isMetaExpectation: true);
+      build("SkipSlow", group: skip, isMetaExpectation: true);
       build("Ok", isMetaExpectation: true);
       build("Slow", isMetaExpectation: true);
     }
   }
 
   final String prettyName;
   final String name;
   final Expectation group;
   // Indicates whether this expectation cannot be a test outcome (i.e. it is a
   // "meta marker").
@@ skipping 255 matching lines @@
         }
         regExps[i] = regExp;
       }
       _keyToRegExps[key] = regExps;
     });
 
     _regExpCache = null;
     _preprocessed = true;
   }
 }