Add support for catching rendere crashes in drt

tools/testing/dart/test_runner.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.
 
 /**
  * Classes and methods for executing tests.
  *
  * This module includes:
  * - Managing parallel execution of tests, including timeout checks.
  * - Evaluating the output of each test as pass/fail/crash/timeout.
@@ skipping 799 matching lines @@
   }
 
   bool get successful => canRunDependendCommands;
 
   bool get canRunDependendCommands {
     // We cannot rely on the exit code of content_shell as a method to determine
     // if we were successful or not.
     return super.canRunDependendCommands && !didFail(null);
   }
 
+  bool get hasCrashed {
+    return super.hasCrashed || _rendererCrashed;
+  }
+
   Expectation _getOutcome() {
     if (_failedBecauseOfMissingXDisplay) {
       return Expectation.FAIL;
     }
 
     if (command.expectedOutputFile != null) {
       // We are either doing a pixel test or a layout test with content shell
       if (_failedBecauseOfUnexpectedDRTOutput) {
         return Expectation.FAIL;
       }
@@ skipping 15 matching lines @@
       // TODO(kustermann,ricow): Issue: 7564
       // This seems to happen quite frequently, we need to figure out why.
       if (line.contains(MESSAGE_CANNOT_OPEN_DISPLAY) ||
           line.contains(MESSAGE_FAILED_TO_RUN_COMMAND)) {
         return true;
       }
     }
     return false;
   }
 
+  bool get _rendererCrashed =>
+      decodeUtf8(super.stdout).contains("#CRASHED - rendere");
+
   bool get _failedBecauseOfUnexpectedDRTOutput {
     /*
      * The output of content shell is different for pixel tests than for
      * layout tests.
      *
      * On a pixel test, the DRT output has the following format
      *     ......
      *     ......
      *     Content-Length: ...\n
      *     <*png data>
@@ skipping 1502 matching lines @@
     }
   }
 
   void eventAllTestsDone() {
     for (var listener in _eventListener) {
       listener.allDone();
     }
     _allDone();
   }
 }