Remove unnecessary commentToken parameter

Minor cleanup to the dartdoc parsing API

Change-Id: I7aa4c0116277beeef39553f1c133aa1ab8904d61
Reviewed-on: https://dart-review.googlesource.com/68700
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Dan Rubel <danrubel@google.com>

pkg/analyzer/lib/src/fasta/ast_builder.dart

@@ -2560,8 +2560,7 @@ class AstBuilder extends StackListener {
   }
 
   @override
-  void handleCommentReferenceText(
-      Token commentToken, String referenceSource, int referenceOffset) {
+  void handleCommentReferenceText(String referenceSource, int referenceOffset) {
     ScannerResult result = scanString(referenceSource);
     if (result.hasErrors) {
       handleNoCommentReference();
@@ -2571,7 +2570,7 @@ class AstBuilder extends StackListener {
         token.offset += referenceOffset;
         token = token.next;
       } while (!token.isEof);
-      parser.parseOneCommentReference(commentToken, result.tokens);
+      parser.parseOneCommentReference(result.tokens);
     }
   }
 

pkg/front_end/lib/src/fasta/parser/forwarding_listener.dart

@@ -929,10 +929,8 @@ class ForwardingListener implements Listener {
   }
 
   @override
-  void handleCommentReferenceText(
-      Token commentToken, String referenceSource, int referenceOffset) {
-    listener?.handleCommentReferenceText(
-        commentToken, referenceSource, referenceOffset);
+  void handleCommentReferenceText(String referenceSource, int referenceOffset) {
+    listener?.handleCommentReferenceText(referenceSource, referenceOffset);
   }
 
   @override

pkg/front_end/lib/src/fasta/parser/listener.dart

@@ -1238,7 +1238,7 @@ class Listener implements UnescapeErrorListener {
   /// parsed should be discarded, and a new type should be parsed instead.
   void discardTypeReplacedWithCommentTypeAssign() {}
 
-  /// A single comment reference in [commentToken] has been found where
+  /// A single comment reference has been found
   /// where [referenceSource] is the text between the `[` and `]`
   /// and [referenceOffset] is the character offset in the token stream.
   ///
@@ -1246,8 +1246,7 @@ class Listener implements UnescapeErrorListener {
   /// `parseCommentReferences` method is called. For further processing,
   /// a listener may scan the [referenceSource] and then pass the resulting
   /// token stream to the parser's `parseOneCommentReference` method.
-  void handleCommentReferenceText(
-      Token commentToken, String referenceSource, int referenceOffset) {
+  void handleCommentReferenceText(String referenceSource, int referenceOffset) {
     logEvent("CommentReferenceText");
   }
 

pkg/front_end/lib/src/fasta/parser/parser.dart

@@ -15,7 +15,6 @@ import '../../scanner/token.dart'
         ASSIGNMENT_PRECEDENCE,
         BeginToken,
         CASCADE_PRECEDENCE,
-        DocumentationCommentToken,
         EQUALITY_PRECEDENCE,
         Keyword,
         POSTFIX_PRECEDENCE,
@@ -5954,7 +5953,6 @@ class Parser {
               // URI in the link text.
             } else {
               listener.handleCommentReferenceText(
-                  commentToken,
                   comment.substring(referenceStart, index),
                   commentToken.charOffset + referenceStart);
               ++count;
@@ -6006,8 +6004,7 @@ class Parser {
   ///
   /// This is typically called from the listener's
   /// `handleCommentReferenceText` method.
-  void parseOneCommentReference(
-      DocumentationCommentToken commentToken, Token token) {
+  void parseOneCommentReference(Token token) {
     Token begin = token;
     Token newKeyword = null;
     if (optional('new', token)) {