New analyzer snapshot.

pkg/analyzer/lib/src/generated/error.dart

Index: pkg/analyzer/lib/src/generated/error.dart
diff --git a/pkg/analyzer/lib/src/generated/error.dart b/pkg/analyzer/lib/src/generated/error.dart
index 70123b4ff092d57bad0af9a804452b6fb29ef18b..804608e828cdef69d3f3275619f968ee9170786f 100644
--- a/pkg/analyzer/lib/src/generated/error.dart
+++ b/pkg/analyzer/lib/src/generated/error.dart
@@ -115,6 +115,21 @@ class AnalysisErrorWithProperties extends AnalysisError {
 }
 
 /**
+ * Instances of the class `BooleanErrorListener` implement a listener that keeps track of
+ * whether an error has been reported to it.
+ */
+class BooleanErrorListener implements AnalysisErrorListener {
+  /**
+   * A flag indicating whether an error has been reported to this listener.
+   */
+  bool errorReported = false;
+
+  void onError(AnalysisError error) {
+    errorReported = true;
+  }
+}
+
+/**
  * Instances of the class `ErrorReporter` wrap an error listener with utility methods used to
  * create the errors being reported.
  *