Add MIT copyright notices to source files (#2364)

Match the notices to the LICENSE.

Author: natebosch

pkgs/html/lib/dom.dart

@@ -1,3 +1,7 @@
+// Copyright (c) project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
+
 /// A simple tree API that results from parsing html. Intended to be compatible
 /// with dart:html, but it is missing many types and APIs.
 library;

pkgs/html/lib/dom_parsing.dart

@@ -1,3 +1,7 @@
+// Copyright (c) project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
+
 /// This library contains extra APIs that aren't in the DOM, but are useful
 /// when interacting with the parse tree.
 library;

pkgs/html/lib/html_escape.dart

@@ -1,3 +1,7 @@
+// Copyright (c) project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
+
 // TODO(jmesserly): reconcile this with dart:web htmlEscape.
 // This one might be more useful, as it is HTML5 spec compliant.
 /// Escapes [text] for use in the

pkgs/html/lib/parser.dart

@@ -1,3 +1,7 @@
+// Copyright (c) project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
+
 /// This library has a parser for HTML5 documents, that lets you parse HTML
 /// easily from a script or server side application:
 ///

pkgs/html/lib/src/constants.dart

@@ -1,3 +1,7 @@
+// Copyright (c) project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
+
 import 'utils.dart';
 
 // TODO(jmesserly): fix up the const lists. For the bigger ones, we need faster

pkgs/html/lib/src/css_class_set.dart

@@ -1,6 +1,6 @@
-// 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.
+// Copyright (c) 2014, the Dart project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
 
 // TODO(jmesserly): everything in this file is copied straight from "dart:html".
 

pkgs/html/lib/src/encoding_parser.dart

@@ -1,3 +1,7 @@
+// Copyright (c) project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
+
 import 'constants.dart';
 import 'html_input_stream.dart';
 

pkgs/html/lib/src/html_input_stream.dart

@@ -1,3 +1,7 @@
+// Copyright (c) project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
+
 import 'dart:collection';
 import 'dart:convert' show ascii, utf8;
 

pkgs/html/lib/src/list_proxy.dart

@@ -1,3 +1,7 @@
+// Copyright (c) project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
+
 /// A [List] proxy that you can subclass.
 library;
 

pkgs/html/lib/src/query_selector.dart

@@ -1,3 +1,7 @@
+// Copyright (c) project authors. All rights reserved.
+// Licensed under the MIT license.
+// See LICENSE file in the project root for details.
+
 /// Query selector implementation for our DOM.
 library;