Remove upper case constants (flutter#72)

* Remove usage of upper-case constants.
* update SDK constraint
* remove stable from Travis config

Author: lrhn

.travis.yml

@@ -1,8 +1,6 @@
 language: dart
 dart:
   - dev
-  - stable
-
 dart_task:
   - test: -p vm
   - test: -p chrome,firefox

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.13.3+1
+
+ * Updated SDK version to 2.0.0-dev.17.0
+
 ## 0.13.3
 
  * Update the signatures of `FilteredElementList.indexOf` and

pubspec.yaml

@@ -1,10 +1,10 @@
 name: html
-version: 0.13.3
+version: 0.13.3+1
 author: Dart Team <misc@dartlang.org>
 description: A library for working with HTML documents. Previously known as html5lib.
 homepage: https://github.com/dart-lang/html
 environment:
-  sdk: '>=1.21.0 <2.0.0'
+  sdk: '>=2.0.0-dev.17.0 <2.0.0'
 dependencies:
   csslib: '>=0.13.2 <0.15.0'
   source_span: '>=1.0.0 <2.0.0'

test/parser_test.dart

@@ -112,11 +112,11 @@ void main() {
 
 /// Extract the name for the test based on the test input data.
 _nameFor(String input) {
-  // Using JSON.decode to unescape other unicode characters
+  // Using jsonDecode to unescape other unicode characters
   var escapeQuote = input
       .replaceAll(new RegExp('\\\\.'), '_')
       .replaceAll(new RegExp('\u0000'), '_')
       .replaceAll('"', '\\"')
       .replaceAll(new RegExp('[\n\r\t]'), '_');
-  return JSON.decode('"$escapeQuote"');
+  return jsonDecode('"$escapeQuote"');
 }

test/tokenizer_test.dart

@@ -204,10 +204,10 @@ void runTokenizerTest(Map testInfo) {
 }
 
 Map unescape(Map testInfo) {
-  // TODO(sigmundch,jmesserly): we currently use JSON.decode to unescape the
+  // TODO(sigmundch,jmesserly): we currently use jsonDecode to unescape the
   // unicode characters in the string, we should use a decoding that works with
   // any control characters.
-  decode(inp) => inp == '\u0000' ? inp : JSON.decode('"$inp"');
+  decode(inp) => inp == '\u0000' ? inp : jsonDecode('"$inp"');
 
   testInfo["input"] = decode(testInfo["input"]);
   for (var token in testInfo["output"]) {
@@ -244,7 +244,7 @@ void main() {
     if (!path.endsWith('.test')) continue;
 
     var text = new File(path).readAsStringSync();
-    var tests = JSON.decode(text);
+    var tests = jsonDecode(text);
     var testName = pathos.basenameWithoutExtension(path);
     var testList = tests['tests'];
     if (testList == null) continue;