fixes #157, renaming local library identifiers if needed.

lib/runtime/dart/_native_typed_data.js

Index: lib/runtime/dart/_native_typed_data.js
diff --git a/lib/runtime/dart/_native_typed_data.js b/lib/runtime/dart/_native_typed_data.js
index e4db8688b00fe111af1fc62176b30fc4a0c193f1..16ceff5469bf61e61caa43fa57ef9c3c37ca06bb 100644
--- a/lib/runtime/dart/_native_typed_data.js
+++ b/lib/runtime/dart/_native_typed_data.js
@@ -1,5 +1,5 @@
-var _native_typed_data;
-(function(exports) {
+var _native_typed_data, core, typed_data, collection, _internal, _interceptors, _js_helper, math;
+(function(exports, core, typed_data, collection, _internal, _interceptors, _js_helper, math) {
   'use strict';
   class NativeByteBuffer extends core.Object {
     NativeByteBuffer() {
@@ -1555,4 +1555,4 @@ var _native_typed_data;
   exports.NativeFloat32x4 = NativeFloat32x4;
   exports.NativeInt32x4 = NativeInt32x4;
   exports.NativeFloat64x2 = NativeFloat64x2;
-})(_native_typed_data || (_native_typed_data = {}));
+})(_native_typed_data || (_native_typed_data = {}), core, typed_data || (typed_data = {}), collection, _internal, _interceptors || (_interceptors = {}), _js_helper || (_js_helper = {}), math);