Spelling fixes e to i.

pkg/compiler/lib/src/helpers/helpers.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 for debugging helpers. The unittest analyze_unused_test checks that
 /// the helper are not used in production code.
 
 library dart2js.helpers;
 
 import '../common.dart';
@@ skipping 22 matching lines @@
 
 class _DebugIndentation extends Indentation {
   final String indentationUnit = " ";
 }
 
 _DebugIndentation _indentation = new _DebugIndentation();
 
 /// Function signature of [debugPrint].
 typedef DebugPrint(s);
 
-/// If [DEBUG_PRINT_ENABLED] is `true` print [s] using the current identation.
+/// If [DEBUG_PRINT_ENABLED] is `true` print [s] using the current indentation.
 DebugPrint get debugPrint {
   enableDebugMode();
   // TODO(johnniwinther): Maybe disable debug mode after the call.
   return _debugPrint;
 }
 
 /// Implementation of [debugPrint].
 _debugPrint(s) {
   if (DEBUG_PRINT_ENABLED) print('${_indentation.indentation}$s');
 }
@@ skipping 80 matching lines @@
       if (printTrace) {
         trace(msg);
       } else {
         debugPrint(msg);
       }
     }
     return true;
   }
   return false;
 }