Stop running pub get at gclient sync time and fix build bugs

mojo/public/dart/third_party/analyzer/lib/task/html.dart

Index: mojo/public/dart/third_party/analyzer/lib/task/html.dart
diff --git a/mojo/public/dart/third_party/analyzer/lib/task/html.dart b/mojo/public/dart/third_party/analyzer/lib/task/html.dart
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+// 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.
+
+library analyzer.task.html;
+
+import 'package:analyzer/src/generated/error.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer/task/model.dart';
+import 'package:html/dom.dart';
+
+/**
+ * The result of parsing an HTML file.
+ */
+final ResultDescriptor<Document> HTML_DOCUMENT =
+    new ResultDescriptor<Document>('HTML_DOCUMENT', null);
+
+/**
+ * The analysis errors associated with a [Source] representing an HTML file.
+ */
+final ListResultDescriptor<AnalysisError> HTML_ERRORS =
+    new ListResultDescriptor<AnalysisError>(
+        'HTML_ERRORS', AnalysisError.NO_ERRORS);
+
+/**
+ * The sources of the Dart libraries referenced by an HTML file.
+ */
+final ListResultDescriptor<Source> REFERENCED_LIBRARIES =
+    new ListResultDescriptor<Source>('REFERENCED_LIBRARIES', Source.EMPTY_LIST);