Change the Dart API call Dart_FInalizeLoading to accept an additional argument

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 5152 matching lines @@
   const Script& script = Script::Handle(
       isolate, Script::New(url_str, source_str, RawScript::kPatchTag));
   Dart_Handle result;
   CompileSource(isolate, lib, script, &result);
   return result;
 }
 
 
 // Finalizes classes and invokes Dart core library function that completes
 // futures of loadLibrary calls (deferred library loading).
-DART_EXPORT Dart_Handle Dart_FinalizeLoading() {
+DART_EXPORT Dart_Handle Dart_FinalizeLoading(bool complete_futures) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   CHECK_CALLBACK_STATE(isolate);
 
   isolate->DoneLoading();
 
   // TODO(hausner): move the remaining code below (finalization and
   // invoing of _completeDeferredLoads) into Isolate::DoneLoading().
 
   // Finalize all classes if needed.
   Dart_Handle state = Api::CheckIsolateState(isolate);
   if (::Dart_IsError(state)) {
     return state;
   }
 
-  const Library& corelib = Library::Handle(isolate, Library::CoreLibrary());
-  const String& function_name =
-      String::Handle(isolate, String::New("_completeDeferredLoads"));
-  const Function& function =
-      Function::Handle(isolate,
-                       corelib.LookupFunctionAllowPrivate(function_name));
-  ASSERT(!function.IsNull());
-  const Array& args = Array::empty_array();
+  if (complete_futures) {
+    const Library& corelib = Library::Handle(isolate, Library::CoreLibrary());
+    const String& function_name =
+        String::Handle(isolate, String::New("_completeDeferredLoads"));
+    const Function& function =
+        Function::Handle(isolate,
+                         corelib.LookupFunctionAllowPrivate(function_name));
+    ASSERT(!function.IsNull());
+    const Array& args = Array::empty_array();
 
-  const Object& res =
-      Object::Handle(isolate, DartEntry::InvokeFunction(function, args));
-  if (res.IsError() || res.IsUnhandledException()) {
-    return Api::NewHandle(isolate, res.raw());
+    const Object& res =
+        Object::Handle(isolate, DartEntry::InvokeFunction(function, args));
+    if (res.IsError() || res.IsUnhandledException()) {
+      return Api::NewHandle(isolate, res.raw());
+    }
   }
   return Api::Success();
 }
 
 
 DART_EXPORT Dart_Handle Dart_SetNativeResolver(
     Dart_Handle library,
     Dart_NativeEntryResolver resolver,
     Dart_NativeEntrySymbol symbol) {
   Isolate* isolate = Isolate::Current();
@@ skipping 74 matching lines @@
 
 
 DART_EXPORT void Dart_RegisterRootServiceRequestCallback(
     const char* name,
     Dart_ServiceRequestCallback callback,
     void* user_data) {
   Service::RegisterRootEmbedderCallback(name, callback, user_data);
 }
 
 }  // namespace dart