Revert "Fix TypedArray Property optimizations", add regression test and eliminate dead code

src/accessors.cc

Index: src/accessors.cc
diff --git a/src/accessors.cc b/src/accessors.cc
index 030dc0e58cfaa723a063ecf08f81a3f484c187b2..c5ca7d1341999fc5ed8274fe7e2b5f081cd4d444 100644
--- a/src/accessors.cc
+++ b/src/accessors.cc
@@ -93,36 +93,6 @@ bool Accessors::IsJSArrayBufferViewFieldAccessor(Handle<Map> map,
   Isolate* isolate = name->GetIsolate();
 
   switch (map->instance_type()) {
-    case JS_TYPED_ARRAY_TYPE: {
-      if (!CheckForName(name, isolate->factory()->length_string(),
-                        JSTypedArray::kLengthOffset, object_offset) &&
-          !CheckForName(name, isolate->factory()->byte_length_string(),
-                        JSTypedArray::kByteLengthOffset, object_offset) &&
-          !CheckForName(name, isolate->factory()->byte_offset_string(),
-                        JSTypedArray::kByteOffsetOffset, object_offset)) {
-        return false;
-      }
-
-      if (map->is_dictionary_map()) return false;
-
-      // Check if the property is overridden on the instance.
-      DescriptorArray* descriptors = map->instance_descriptors();
-      int descriptor = descriptors->SearchWithCache(isolate, *name, *map);
-      if (descriptor != DescriptorArray::kNotFound) return false;
-
-      Handle<Object> proto = Handle<Object>(map->prototype(), isolate);
-      if (!proto->IsJSReceiver()) return false;
-
-      // Check if the property is defined in the prototype chain.
-      LookupIterator it(proto, name);
-      if (!it.IsFound()) return false;
-
-      Handle<Object> typed_array_proto = isolate->typed_array_prototype();
-
-      // Property is not configurable. It is enough to verify that
-      // the holder is the same.
-      return *it.GetHolder<Object>() == *typed_array_proto;
-    }
     case JS_DATA_VIEW_TYPE:
       return CheckForName(name, isolate->factory()->byte_length_string(),
                           JSDataView::kByteLengthOffset, object_offset) ||