Formatter: do not use a space when using < and > for a map literal.

pkg/analyzer/lib/src/services/formatter_impl.dart

 // Copyright (c) 2013, 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 formatter_impl;
 
 import 'dart:math';
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/src/generated/parser.dart';
@@ skipping 1012 matching lines @@
     visit(node.typeArguments);
     token(node.leftBracket);
     indent();
     visitCommaSeparatedNodes(node.elements /*, followedBy: breakableSpace*/);
     optionalTrailingComma(node.rightBracket);
     token(node.rightBracket, precededBy: unindent);
   }
 
   visitMapLiteral(MapLiteral node) {
     modifier(node.constKeyword);
-    visitNode(node.typeArguments, followedBy: space);
+    visitNode(node.typeArguments);
     token(node.leftBracket);
     if (!node.entries.isEmpty) {
       newlines();
       indent();
       visitCommaSeparatedNodes(node.entries, followedBy: newlines);
       optionalTrailingComma(node.rightBracket);
       unindent();
       newlines();
     }
     token(node.rightBracket);
@@ skipping 724 matching lines @@
     var lastLine =
         lineInfo.getLocation(lastOffset).lineNumber;
     var currentLine =
         lineInfo.getLocation(currentOffset).lineNumber;
     return currentLine - lastLine;
   }
 
   String toString() => writer.toString();
 
 }