Remove unused instance field

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

Index: pkg/analyzer/lib/src/generated/incremental_resolver.dart
diff --git a/pkg/analyzer/lib/src/generated/incremental_resolver.dart b/pkg/analyzer/lib/src/generated/incremental_resolver.dart
index 85b0d31264ea219a019b9e6c6f0ecfa30f4a09a1..7ab95c8c5173c61d40578900329f4af498c00c13 100644
--- a/pkg/analyzer/lib/src/generated/incremental_resolver.dart
+++ b/pkg/analyzer/lib/src/generated/incremental_resolver.dart
@@ -331,8 +331,7 @@ class IncrementalResolver {
 
   void _prepareResolutionContext(AstNode node) {
     if (_resolutionContext == null) {
-      _resolutionContext =
-          ResolutionContextBuilder.contextFor(node, errorListener);
+      _resolutionContext = ResolutionContextBuilder.contextFor(node);
     }
   }
 
@@ -1054,11 +1053,6 @@ class ResolutionContext {
  */
 class ResolutionContextBuilder {
   /**
-   * The listener to which analysis errors will be reported.
-   */
-  final AnalysisErrorListener _errorListener;
-
-  /**
    * The class containing the enclosing [CompilationUnitElement].
    */
   CompilationUnitElement _enclosingUnit;
@@ -1079,7 +1073,7 @@ class ResolutionContextBuilder {
    * Initialize a newly created scope builder to generate a scope that will
    * report errors to the given listener.
    */
-  ResolutionContextBuilder(this._errorListener);
+  ResolutionContextBuilder();

[scheglov, 2016/09/09 16:06:53]

The documentation is not accurate anymore.
And probably the whole constructor can be removed.

[Brian Wilkerson, 2016/09/09 16:16:56]

Done

 
   Scope _scopeFor(AstNode node) {
     if (node is CompilationUnit) {
@@ -1186,14 +1180,12 @@ class ResolutionContextBuilder {
    * Throws [AnalysisException] if the AST structure has not been resolved or
    * is not part of a [CompilationUnit]
    */
-  static ResolutionContext contextFor(
-      AstNode node, AnalysisErrorListener errorListener) {
+  static ResolutionContext contextFor(AstNode node) {
     if (node == null) {
       throw new AnalysisException("Cannot create context: node is null");
     }
     // build scope
-    ResolutionContextBuilder builder =
-        new ResolutionContextBuilder(errorListener);
+    ResolutionContextBuilder builder = new ResolutionContextBuilder();
     Scope scope = builder._scopeFor(node);
     // prepare context
     ResolutionContext context = new ResolutionContext();