Handle function arguments inside function calls.

lib/src/source_visitor.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 dart_style.src.source_visitor;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 import 'package:analyzer/src/generated/source.dart';
 
@@ skipping 629 matching lines @@
   }
 
   visitEnumDeclaration(EnumDeclaration node) {
     visitDeclarationMetadata(node.metadata);
 
     token(node.enumKeyword);
     space();
     visit(node.name);
     space();
 
-    _writeBody(node.leftBracket, node.rightBracket,
-        space: true,
-        body: () {
-          visitCommaSeparatedNodes(node.constants, between: split);
-        });
+    _writeBody(node.leftBracket, node.rightBracket, space: true, body: () {
+      visitCommaSeparatedNodes(node.constants, between: split);
+    });
   }
 
   visitExportDirective(ExportDirective node) {
     visitDeclarationMetadata(node.metadata);
 
     _simpleStatement(node, () {
       token(node.keyword);
       space();
       visit(node.uri);
 
@@ skipping 1496 matching lines @@
   /// Gets the 1-based line number that the beginning of [token] lies on.
   int _startLine(Token token) => _lineInfo.getLocation(token.offset).lineNumber;
 
   /// Gets the 1-based line number that the end of [token] lies on.
   int _endLine(Token token) => _lineInfo.getLocation(token.end).lineNumber;
 
   /// Gets the 1-based column number that the beginning of [token] lies on.
   int _startColumn(Token token) =>
       _lineInfo.getLocation(token.offset).columnNumber;
 }