dartfmt dart2js and unittests

pkg/compiler/lib/src/io/position_information.dart

 // Copyright (c) 2015, 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.
 
 /// Source information system mapping that attempts a semantic mapping between
 /// offsets of JavaScript code points to offsets of Dart code points.
 
 library dart2js.source_information.position;
 
 import '../common.dart';
@@ skipping 667 matching lines @@
 
   int get value => subexpressionOffset;
 
   String toString() {
     return 'Offset[statementOffset=$statementOffset,'
         'leftToRightOffset=$leftToRightOffset,'
         'subexpressionOffset=$subexpressionOffset]';
   }
 }
 
-enum BranchKind { CONDITION, LOOP, CATCH, FINALLY, CASE, }
+enum BranchKind {
+  CONDITION,
+  LOOP,
+  CATCH,
+  FINALLY,
+  CASE,
+}
 
 enum StepKind {
   FUN_ENTRY,
   FUN_EXIT,
   CALL,
   NEW,
   RETURN,
   BREAK,
   CONTINUE,
   THROW,
@@ skipping 580 matching lines @@
 
   @override
   CodePosition operator [](js.Node node) {
     CodePosition codePosition = codePositions[node];
     if (codePosition == null) {
       coverage.registerNodesWithoutOffset(node);
     }
     return codePosition;
   }
 }