Generate dart:html bindings for Dartium as well as Frog. All unittests now pass (or are disabled fo…

client/html/generated/html/dartium/Uint8ClampedArray.dart

+
+class _Uint8ClampedArrayImpl extends _Uint8ArrayImpl implements Uint8ClampedArray, List<int> {
+  _Uint8ClampedArrayImpl._wrap(ptr) : super._wrap(ptr);
+
+  int get length() => _wrap(_ptr.length);
+
+  Uint8ClampedArray subarray(int start, [int end = null]) {
+    if (end === null) {
+      return _wrap(_ptr.subarray(_unwrap(start)));
+    } else {
+      return _wrap(_ptr.subarray(_unwrap(start), _unwrap(end)));
+    }
+  }
+}