Remove old instrumentation

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

 // Copyright (c) 2014, 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.
 
 library engine.scanner;
 
 import 'dart:collection';
 
 import 'error.dart';
-import 'instrumentation.dart';
 import 'java_engine.dart';
 import 'source.dart';
 
 /**
  * A `BeginToken` is the opening half of a grouping pair of tokens. This is used
  * for curly brackets ('{'), parentheses ('('), and square brackets ('[').
  */
 class BeginToken extends Token {
   /**
    * The token that corresponds to this token.
@@ skipping 945 matching lines @@
       _lineStarts.add(1);
     }
     _lineStarts.add(offset - column + 1);
   }
 
   /**
    * Scan the source code to produce a list of tokens representing the source,
    * and return the first token in the list of tokens that were produced.
    */
   Token tokenize() {
-    InstrumentationBuilder instrumentation =
-        Instrumentation.builder2("dart.engine.AbstractScanner.tokenize");
-    int tokenCounter = 0;
-    try {
-      int next = _reader.advance();
-      while (next != -1) {
-        tokenCounter++;
-        next = bigSwitch(next);
-      }
-      _appendEofToken();
-      instrumentation.metric2("tokensCount", tokenCounter);
-      return firstToken;
-    } finally {
-      instrumentation.log2(2);
-      //Log if over 1ms
+    int next = _reader.advance();
+    while (next != -1) {
+      next = bigSwitch(next);
     }
+    _appendEofToken();
+    return firstToken;
   }
 
   void _appendBeginToken(TokenType type) {
     BeginToken token;
     if (_firstComment == null) {
       token = new BeginToken(type, _tokenStart);
     } else {
       token = new BeginTokenWithComment(type, _tokenStart, _firstComment);
       _firstComment = null;
       _lastComment = null;
@@ skipping 1646 matching lines @@
   CommentToken get precedingComments => _precedingComment;
 
   void set precedingComments(CommentToken comment) {
     _precedingComment = comment;
     _setCommentParent(_precedingComment);
   }
 
   @override
   Token copy() => new TokenWithComment(type, offset, precedingComments);
 }