Implement typed array constructors.

client/dom/src/_FactoryProviders.dart

 // Copyright (c) 2011, 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.
 
 
 // These factory methods could all live in one factory provider class but dartc
 // has a bug (5399939) preventing that.
 
 class _FileReaderFactoryProvider {
 
   factory FileReader() { return create(); }
 
   static FileReader create() native;
 }
 
+class _TypedArrayFactoryProvider {
+
+  factory Float32Array(int length) => _F32(length);
+  factory Float32Array.fromList(List<num> list) => _F32(ensureNative(list));
+  factory Float32Array.fromBuffer(ArrayBuffer buffer) => _F32(buffer);
+
+  factory Float64Array(int length) => _F64(length);
+  factory Float64Array.fromList(List<num> list) => _F64(ensureNative(list));
+  factory Float64Array.fromBuffer(ArrayBuffer buffer) => _F64(buffer);
+
+  factory Int8Array(int length) => _I8(length);
+  factory Int8Array.fromList(List<num> list) => _I8(ensureNative(list));
+  factory Int8Array.fromBuffer(ArrayBuffer buffer) => _I8(buffer);
+
+  factory Int16Array(int length) => _I16(length);
+  factory Int16Array.fromList(List<num> list) => _I16(ensureNative(list));
+  factory Int16Array.fromBuffer(ArrayBuffer buffer) => _I16(buffer);
+
+  factory Int32Array(int length) => _I32(length);
+  factory Int32Array.fromList(List<num> list) => _I32(ensureNative(list));
+  factory Int32Array.fromBuffer(ArrayBuffer buffer) => _I32(buffer);
+
+  factory Uint8Array(int length) => _U8(length);
+  factory Uint8Array.fromList(List<num> list) => _U8(ensureNative(list));
+  factory Uint8Array.fromBuffer(ArrayBuffer buffer) => _U8(buffer);
+
+  factory Uint16Array(int length) => _U16(length);
+  factory Uint16Array.fromList(List<num> list) => _U16(ensureNative(list));
+  factory Uint16Array.fromBuffer(ArrayBuffer buffer) => _U16(buffer);
+
+  factory Uint32Array(int length) => _U32(length);
+  factory Uint32Array.fromList(List<num> list) => _U32(ensureNative(list));
+  factory Uint32Array.fromBuffer(ArrayBuffer buffer) => _U32(buffer);
+
+
+  static Float32Array _F32(arg) native;
+  static Float32Array _F64(arg) native;
+  static Float32Array _I8(arg) native;
+  static Float32Array _I16(arg) native;
+  static Float32Array _I32(arg) native;
+  static Float32Array _U8(arg) native;
+  static Float32Array _U16(arg) native;
+  static Float32Array _U32(arg) native;
+
+  static ensureNative(List list) => list;  // TODO: make sure.
+}
+
 class _WebKitCSSMatrixFactoryProvider {
 
   factory WebKitCSSMatrix([String spec = '']) { return create(spec); }
 
   static WebKitCSSMatrix create(spec) native;
 }
 
 class _WebKitPointFactoryProvider {
 
   factory WebKitPoint(num x, num y) { return create(x, y); }
 
   static WebKitPoint create(x, y) native;
 }
 
 class _XMLHttpRequestFactoryProvider {
 
   factory XMLHttpRequest() { return create(); }
 
   static XMLHttpRequest create() native;
 }