fixes #427, static fields emitted outside the scope of their class

lib/runtime/dart/convert.js

 dart_library.library('dart/convert', null, /* Imports */[
   'dart/_runtime',
   'dart/core',
   'dart/async',
   'dart/typed_data',
   'dart/_internal',
   'dart/collection'
 ], /* Lazy imports */[
 ], function(exports, dart, core, async, typed_data, _internal, collection) {
   'use strict';
@@ skipping 44 matching lines @@
       name = name[dartx.toLowerCase]();
       return Encoding._nameToEncoding.get(name);
     }
   }
   dart.setSignature(Encoding, {
     constructors: () => ({Encoding: [Encoding, []]}),
     methods: () => ({decodeStream: [async.Future$(core.String), [async.Stream$(core.List$(core.int))]]}),
     statics: () => ({getByName: [Encoding, [core.String]]}),
     names: ['getByName']
   });
+  dart.defineLazyProperties(Encoding, {
+    get _nameToEncoding() {
+      return dart.map({"iso_8859-1:1987": LATIN1, "iso-ir-100": LATIN1, "iso_8859-1": LATIN1, "iso-8859-1": LATIN1, latin1: LATIN1, l1: LATIN1, ibm819: LATIN1, cp819: LATIN1, csisolatin1: LATIN1, "iso-ir-6": ASCII, "ansi_x3.4-1968": ASCII, "ansi_x3.4-1986": ASCII, "iso_646.irv:1991": ASCII, "iso646-us": ASCII, "us-ascii": ASCII, us: ASCII, ibm367: ASCII, cp367: ASCII, csascii: ASCII, ascii: ASCII, csutf8: UTF8, "utf-8": UTF8});
+    },
+    set _nameToEncoding(_) {}
+  });
   const _allowInvalid = Symbol('_allowInvalid');
   class AsciiCodec extends Encoding {
     AsciiCodec(opts) {
       let allowInvalid = opts && 'allowInvalid' in opts ? opts.allowInvalid : false;
       this[_allowInvalid] = allowInvalid;
       super.Encoding();
     }
     get name() {
       return "us-ascii";
     }
@@ skipping 547 matching lines @@
     dart.setSignature(_FusedConverter, {
       constructors: () => ({_FusedConverter: [_FusedConverter$(S, M, T), [Converter, Converter]]}),
       methods: () => ({
         convert: [T, [S]],
         startChunkedConversion: [ChunkedConversionSink, [core.Sink$(T)]]
       })
     });
     return _FusedConverter;
   });
   let _FusedConverter = _FusedConverter$();
-  dart.defineLazyProperties(Encoding, {
-    get _nameToEncoding() {
-      return dart.map({"iso_8859-1:1987": LATIN1, "iso-ir-100": LATIN1, "iso_8859-1": LATIN1, "iso-8859-1": LATIN1, latin1: LATIN1, l1: LATIN1, ibm819: LATIN1, cp819: LATIN1, csisolatin1: LATIN1, "iso-ir-6": ASCII, "ansi_x3.4-1968": ASCII, "ansi_x3.4-1986": ASCII, "iso_646.irv:1991": ASCII, "iso646-us": ASCII, "us-ascii": ASCII, us: ASCII, ibm367: ASCII, cp367: ASCII, csascii: ASCII, ascii: ASCII, csutf8: UTF8, "utf-8": UTF8});
-    },
-    set _nameToEncoding(_) {}
-  });
   const _name = Symbol('_name');
   class HtmlEscapeMode extends core.Object {
     _(name, escapeLtGt, escapeQuot, escapeApos, escapeSlash) {
       this[_name] = name;
       this.escapeLtGt = escapeLtGt;
       this.escapeQuot = escapeQuot;
       this.escapeApos = escapeApos;
       this.escapeSlash = escapeSlash;
     }
     toString() {
       return this[_name];
     }
   }
   dart.defineNamedConstructor(HtmlEscapeMode, '_');
   dart.setSignature(HtmlEscapeMode, {
     constructors: () => ({_: [HtmlEscapeMode, [core.String, core.bool, core.bool, core.bool, core.bool]]})
   });
-  HtmlEscapeMode.UNKNOWN = dart.const(new HtmlEscapeMode._('unknown', true, true, true, true));
+  dart.defineLazyProperties(HtmlEscapeMode, {
+    get UNKNOWN() {
+      return dart.const(new HtmlEscapeMode._('unknown', true, true, true, true));
+    },
+    get ATTRIBUTE() {
+      return dart.const(new HtmlEscapeMode._('attribute', false, true, false, false));
+    },
+    get ELEMENT() {
+      return dart.const(new HtmlEscapeMode._('element', true, false, false, true));
+    }
+  });
   const _convert = Symbol('_convert');
   class HtmlEscape extends Converter$(core.String, core.String) {
     HtmlEscape(mode) {
       if (mode === void 0) mode = HtmlEscapeMode.UNKNOWN;
       this.mode = mode;
       super.Converter();
     }
     convert(text) {
       let val = this[_convert](text, 0, text[dartx.length]);
       return val == null ? text : val;
@@ skipping 58 matching lines @@
   }
   dart.setSignature(HtmlEscape, {
     constructors: () => ({HtmlEscape: [HtmlEscape, [], [HtmlEscapeMode]]}),
     methods: () => ({
       convert: [core.String, [core.String]],
       [_convert]: [core.String, [core.String, core.int, core.int]],
       startChunkedConversion: [StringConversionSink, [core.Sink$(core.String)]]
     })
   });
   const HTML_ESCAPE = dart.const(new HtmlEscape());
-  HtmlEscapeMode.ATTRIBUTE = dart.const(new HtmlEscapeMode._('attribute', false, true, false, false));
-  HtmlEscapeMode.ELEMENT = dart.const(new HtmlEscapeMode._('element', true, false, false, true));
   const _escape = Symbol('_escape');
   class _HtmlEscapeSink extends StringConversionSinkBase {
     _HtmlEscapeSink(escape, sink) {
       this[_escape] = escape;
       this[_sink] = sink;
     }
     addSlice(chunk, start, end, isLast) {
       let val = this[_escape][_convert](chunk, start, end);
       if (val == null) {
         this[_sink].addSlice(chunk, start, end, isLast);
@@ skipping 2058 matching lines @@
   exports.LineSplitter = LineSplitter;
   exports.StringConversionSink = StringConversionSink;
   exports.ClosableStringSink = ClosableStringSink;
   exports.UNICODE_REPLACEMENT_CHARACTER_RUNE = UNICODE_REPLACEMENT_CHARACTER_RUNE;
   exports.UNICODE_BOM_CHARACTER_RUNE = UNICODE_BOM_CHARACTER_RUNE;
   exports.Utf8Codec = Utf8Codec;
   exports.UTF8 = UTF8;
   exports.Utf8Encoder = Utf8Encoder;
   exports.Utf8Decoder = Utf8Decoder;
 });