anchor.diff:     * Indicates the number of potential retries remaining, to compensate for
      * flaky browser tests.
      */
  -  bool numRetries;
  +  int numRetries;
   
     BrowserTestCase(displayName,
                       this.compilerPath,
  
positive.code:       testCase.output.requestRetry = false;
        this.timedOut = false;
        testCase.dynamic.numRetries--;
        print("Potential flake. Re-running " + testCase.displayName);
        this.start();
      } else {
        testCase.completed();
  
negative.code:         line.contains('Failed to run command. return code=1')) {
          // If we get the X server error, or DRT crashes with a core dump, retry
          // the test.
          if (testCase.dynamic.numRetries > 0) {
            requestRetry = true;
          }
          return true;
        }
      }
  