Run formatter on a few frontend and kernel files that hadn't been formatted.

pkg/front_end/lib/src/fasta/kernel/kernel_formal_parameter_builder.dart

 // Copyright (c) 2016, 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 fasta.kernel_formal_parameter_builder;
 
 import 'package:kernel/ast.dart' show DynamicType, VariableDeclaration;
 
 import 'kernel_builder.dart'
     show
@@ skipping 16 matching lines @@
       bool hasThis,
       KernelLibraryBuilder compilationUnit,
       this.charOffset)
       : super(metadata, modifiers, type, name, hasThis, compilationUnit,
             charOffset);
 
   VariableDeclaration build(LibraryBuilder library) {
     return declaration ??= new VariableDeclaration(name,
         type: type?.build(library) ?? const DynamicType(),
         isFinal: isFinal,
-        isConst: isConst)..fileOffset = charOffset;
+        isConst: isConst)
+      ..fileOffset = charOffset;
   }
 
   VariableDeclaration get target => declaration;
 }