diff --git a/runtime/bin/gen_snapshot.cc b/runtime/bin/gen_snapshot.cc
index 80df47dc613..4c00a150592 100644
--- a/runtime/bin/gen_snapshot.cc
+++ b/runtime/bin/gen_snapshot.cc
@@ -741,15 +741,11 @@ static void SetupStubNativeResolver(size_t lib_index,
 // run after |SetupStubNativeResolversForPrecompilation| because the former
 // loads some libraries.
 static void SetupStubNativeResolvers() {
-  Dart_Handle library_ids = Dart_GetLibraryIds();
-  intptr_t library_ids_length;
-  Dart_ListLength(library_ids, &library_ids_length);
-  for (intptr_t i = 0; i < library_ids_length; i++) {
-    Dart_Handle library_id_handle = Dart_ListGetAt(library_ids, i);
-    DART_CHECK_VALID(library_id_handle);
-    int64_t library_id;
-    Dart_IntegerToInt64(library_id_handle, &library_id);
-    Dart_Handle library = Dart_GetLibraryFromId(library_id);
+  Dart_Handle libraries = Dart_GetLoadedLibraries();
+  intptr_t libraries_length;
+  Dart_ListLength(libraries, &libraries_length);
+  for (intptr_t i = 0; i < libraries_length; i++) {
+    Dart_Handle library = Dart_ListGetAt(libraries, i);
     DART_CHECK_VALID(library);
     Dart_NativeEntryResolver old_resolver = NULL;
     Dart_GetNativeResolver(library, &old_resolver);
diff --git a/runtime/include/dart_api.h b/runtime/include/dart_api.h
index 84b3afadf91..ed19c9e2d4e 100644
--- a/runtime/include/dart_api.h
+++ b/runtime/include/dart_api.h
@@ -2931,6 +2931,13 @@ DART_EXPORT Dart_Handle Dart_GetClass(Dart_Handle library,
  */
 DART_EXPORT Dart_Handle Dart_LibraryUrl(Dart_Handle library);
 
+
+/**
+ * \return An array of libraries.
+ */
+DART_EXPORT Dart_Handle Dart_GetLoadedLibraries();
+
+
 DART_EXPORT Dart_Handle Dart_LookupLibrary(Dart_Handle url);
 /* TODO(turnidge): Consider returning Dart_Null() when the library is
  * not found to distinguish that from a true error case. */
diff --git a/runtime/vm/dart_api_impl.cc b/runtime/vm/dart_api_impl.cc
index 9f4c9468e63..29f2b025f22 100644
--- a/runtime/vm/dart_api_impl.cc
+++ b/runtime/vm/dart_api_impl.cc
@@ -5514,6 +5514,26 @@ DART_EXPORT Dart_Handle Dart_LibraryUrl(Dart_Handle library) {
 }
 
 
+DART_EXPORT Dart_Handle Dart_GetLoadedLibraries() {
+  DARTSCOPE(Thread::Current());
+  Isolate* I = T->isolate();
+
+  const GrowableObjectArray& libs =
+      GrowableObjectArray::Handle(Z, I->object_store()->libraries());
+  int num_libs = libs.Length();
+
+  // Create new list and populate with the loaded libraries.
+  Library& lib = Library::Handle();
+  const Array& library_list = Array::Handle(Z, Array::New(num_libs));
+  for (int i = 0; i < num_libs; i++) {
+    lib ^= libs.At(i);
+    ASSERT(!lib.IsNull());
+    library_list.SetAt(i, lib);
+  }
+  return Api::NewHandle(T, library_list.raw());
+}
+
+
 DART_EXPORT Dart_Handle Dart_LookupLibrary(Dart_Handle url) {
   DARTSCOPE(Thread::Current());
   const String& url_str = Api::UnwrapStringHandle(Z, url);