| Index: lib/html/src/dartium_FactoryProviders.dart | 
| diff --git a/lib/html/src/dartium_FactoryProviders.dart b/lib/html/src/dartium_FactoryProviders.dart | 
| index d5227e8870c98ad4c8e77dcaccef91e5d4fa63d8..0cfc32ccabadee64296ff75d5f68e7465efec898 100644 | 
| --- a/lib/html/src/dartium_FactoryProviders.dart | 
| +++ b/lib/html/src/dartium_FactoryProviders.dart | 
| @@ -10,39 +10,75 @@ 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 Float32Array.fromBuffer(ArrayBuffer buffer, | 
| +                                  [int byteOffset = 0, int length]) { | 
| +    if (length == null) return _F32_2(buffer, byteOffset); | 
| +    return _F32_3(buffer, byteOffset, length); | 
| +  } | 
|  | 
| factory Float64Array(int length) => _F64(length); | 
| factory Float64Array.fromList(List<num> list) => _F64(ensureNative(list)); | 
| -  factory Float64Array.fromBuffer(ArrayBuffer buffer) => _F64(buffer); | 
| +  factory Float64Array.fromBuffer(ArrayBuffer buffer, | 
| +                                  [int byteOffset = 0, int length]) { | 
| +    if (length == null) return _F64_2(buffer, byteOffset); | 
| +    return _F64_3(buffer, byteOffset, length); | 
| +  } | 
|  | 
| factory Int8Array(int length) => _I8(length); | 
| factory Int8Array.fromList(List<num> list) => _I8(ensureNative(list)); | 
| -  factory Int8Array.fromBuffer(ArrayBuffer buffer) => _I8(buffer); | 
| +  factory Int8Array.fromBuffer(ArrayBuffer buffer, | 
| +                               [int byteOffset = 0, int length]) { | 
| +    if (length == null) return _I8_2(buffer, byteOffset); | 
| +    return _I8_3(buffer, byteOffset, length); | 
| +  } | 
|  | 
| factory Int16Array(int length) => _I16(length); | 
| factory Int16Array.fromList(List<num> list) => _I16(ensureNative(list)); | 
| -  factory Int16Array.fromBuffer(ArrayBuffer buffer) => _I16(buffer); | 
| +  factory Int16Array.fromBuffer(ArrayBuffer buffer, | 
| +                                [int byteOffset = 0, int length]) { | 
| +    if (length == null) return _I16_2(buffer, byteOffset); | 
| +    return _I16_3(buffer, byteOffset, length); | 
| +  } | 
|  | 
| factory Int32Array(int length) => _I32(length); | 
| factory Int32Array.fromList(List<num> list) => _I32(ensureNative(list)); | 
| -  factory Int32Array.fromBuffer(ArrayBuffer buffer) => _I32(buffer); | 
| +  factory Int32Array.fromBuffer(ArrayBuffer buffer, | 
| +                                [int byteOffset = 0, int length]) { | 
| +    if (length == null) return _I32_2(buffer, byteOffset); | 
| +    return _I32_3(buffer, byteOffset, length); | 
| +  } | 
|  | 
| factory Uint8Array(int length) => _U8(length); | 
| factory Uint8Array.fromList(List<num> list) => _U8(ensureNative(list)); | 
| -  factory Uint8Array.fromBuffer(ArrayBuffer buffer) => _U8(buffer); | 
| +  factory Uint8Array.fromBuffer(ArrayBuffer buffer, | 
| +                                [int byteOffset = 0, int length]) { | 
| +    if (length == null) return _U8_2(buffer, byteOffset); | 
| +    return _U8_3(buffer, byteOffset, length); | 
| +  } | 
|  | 
| factory Uint16Array(int length) => _U16(length); | 
| factory Uint16Array.fromList(List<num> list) => _U16(ensureNative(list)); | 
| -  factory Uint16Array.fromBuffer(ArrayBuffer buffer) => _U16(buffer); | 
| +  factory Uint16Array.fromBuffer(ArrayBuffer buffer, | 
| +                                 [int byteOffset = 0, int length]) { | 
| +    if (length == null) return _U16_2(buffer, byteOffset); | 
| +    return _U16_3(buffer, byteOffset, length); | 
| +  } | 
|  | 
| factory Uint32Array(int length) => _U32(length); | 
| factory Uint32Array.fromList(List<num> list) => _U32(ensureNative(list)); | 
| -  factory Uint32Array.fromBuffer(ArrayBuffer buffer) => _U32(buffer); | 
| +  factory Uint32Array.fromBuffer(ArrayBuffer buffer, | 
| +                                 [int byteOffset = 0, int length]) { | 
| +    if (length == null) return _U32_2(buffer, byteOffset); | 
| +    return _U32_3(buffer, byteOffset, length); | 
| +  } | 
|  | 
| factory Uint8ClampedArray(int length) => _U8C(length); | 
| factory Uint8ClampedArray.fromList(List<num> list) => _U8C(ensureNative(list)); | 
| -  factory Uint8ClampedArray.fromBuffer(ArrayBuffer buffer) => _U8C(buffer); | 
| +  factory Uint8ClampedArray.fromBuffer(ArrayBuffer buffer, | 
| +                                       [int byteOffset = 0, int length]) { | 
| +    if (length == null) return _U8C_2(buffer, byteOffset); | 
| +    return _U8C_3(buffer, byteOffset, length); | 
| +  } | 
|  | 
| static Float32Array _F32(arg) => _wrap(new dom.Float32Array(arg)); | 
| static Float64Array _F64(arg) => _wrap(new dom.Float64Array(arg)); | 
| @@ -54,6 +90,26 @@ class _TypedArrayFactoryProvider { | 
| static Uint32Array _U32(arg) => _wrap(new dom.Uint32Array(arg)); | 
| static Uint8ClampedArray _U8C(arg) => _wrap(new dom.Uint8ClampedArray(arg)); | 
|  | 
| +  static Float32Array _F32_2(arg1, arg2) => _wrap(new dom.Float32Array(arg1, arg2)); | 
| +  static Float64Array _F64_2(arg1, arg2) => _wrap(new dom.Float64Array(arg1, arg2)); | 
| +  static Int8Array _I8_2(arg1, arg2) => _wrap(new dom.Int8Array(arg1, arg2)); | 
| +  static Int16Array _I16_2(arg1, arg2) => _wrap(new dom.Int16Array(arg1, arg2)); | 
| +  static Int32Array _I32_2(arg1, arg2) => _wrap(new dom.Int32Array(arg1, arg2)); | 
| +  static Uint8Array _U8_2(arg1, arg2) => _wrap(new dom.Uint8Array(arg1, arg2)); | 
| +  static Uint16Array _U16_2(arg1, arg2) => _wrap(new dom.Uint16Array(arg1, arg2)); | 
| +  static Uint32Array _U32_2(arg1, arg2) => _wrap(new dom.Uint32Array(arg1, arg2)); | 
| +  static Uint8ClampedArray _U8C_2(arg1, arg2) => _wrap(new dom.Uint8ClampedArray(arg1, arg2)); | 
| + | 
| +  static Float32Array _F32_3(arg1, arg2, arg3) => _wrap(new dom.Float32Array(arg1, arg2, arg3)); | 
| +  static Float64Array _F64_3(arg1, arg2, arg3) => _wrap(new dom.Float64Array(arg1, arg2, arg3)); | 
| +  static Int8Array _I8_3(arg1, arg2, arg3) => _wrap(new dom.Int8Array(arg1, arg2, arg3)); | 
| +  static Int16Array _I16_3(arg1, arg2, arg3) => _wrap(new dom.Int16Array(arg1, arg2, arg3)); | 
| +  static Int32Array _I32_3(arg1, arg2, arg3) => _wrap(new dom.Int32Array(arg1, arg2, arg3)); | 
| +  static Uint8Array _U8_3(arg1, arg2, arg3) => _wrap(new dom.Uint8Array(arg1, arg2, arg3)); | 
| +  static Uint16Array _U16_3(arg1, arg2, arg3) => _wrap(new dom.Uint16Array(arg1, arg2, arg3)); | 
| +  static Uint32Array _U32_3(arg1, arg2, arg3) => _wrap(new dom.Uint32Array(arg1, arg2, arg3)); | 
| +  static Uint8ClampedArray _U8C_3(arg1, arg2, arg3) => _wrap(new dom.Uint8ClampedArray(arg1, arg2, arg3)); | 
| + | 
| static ensureNative(List list) => list;  // TODO: make sure. | 
| } | 
|  | 
|  |