Make Dart API Dart_IsTypedData work for typed data views

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, 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.
 
 #include "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "vm/bigint_operations.h"
@@ skipping 1843 matching lines @@
   const Instance& closure_obj =
       Api::UnwrapInstanceHandle(reused_obj_handle, object);
   return (!closure_obj.IsNull() && closure_obj.IsClosure());
 }
 
 
 DART_EXPORT bool Dart_IsTypedData(Dart_Handle handle) {
   TRACE_API_CALL(CURRENT_FUNC);
   intptr_t cid = Api::ClassId(handle);
   return RawObject::IsTypedDataClassId(cid) ||
-      RawObject::IsExternalTypedDataClassId(cid);
+         RawObject::IsExternalTypedDataClassId(cid) ||
+         RawObject::IsTypedDataViewClassId(cid);
 }
 
 
 DART_EXPORT bool Dart_IsByteBuffer(Dart_Handle handle) {
   TRACE_API_CALL(CURRENT_FUNC);
   return Api::ClassId(handle) == kByteBufferCid;
 }
 
 
 // --- Instances ----
@@ skipping 3480 matching lines @@
 
 
 DART_EXPORT void Dart_RegisterRootServiceRequestCallback(
     const char* name,
     Dart_ServiceRequestCallback callback,
     void* user_data) {
   Service::RegisterRootEmbedderCallback(name, callback, user_data);
 }
 
 }  // namespace dart