Pass line offsets to Dart_LoadLibrary and Dart_LoadSource.

Source/bindings/dart/DartApplicationLoader.cpp

Index: Source/bindings/dart/DartApplicationLoader.cpp
diff --git a/Source/bindings/dart/DartApplicationLoader.cpp b/Source/bindings/dart/DartApplicationLoader.cpp
index bd8dbee5fe58069263f8c6decb5610c0ef4cbefc..73dc1e1db59e3751b004d06d83ddc63d61753589 100644
--- a/Source/bindings/dart/DartApplicationLoader.cpp
+++ b/Source/bindings/dart/DartApplicationLoader.cpp
@@ -172,7 +172,7 @@ void DartApplicationLoader::callEntryPoint()
         // FIXME: Use the page library instead. To do this, we need to import each script tag's library into the page
         // with a unique prefix to ensure a secondary script doesn't define a main.
         String trampolineUrl = m_libraryUrl + "$trampoline";
-        Dart_Handle trampoline = Dart_LoadLibrary(DartUtilities::stringToDartString(trampolineUrl), Dart_NewStringFromCString(""));
+        Dart_Handle trampoline = Dart_LoadLibrary(DartUtilities::stringToDartString(trampolineUrl), Dart_NewStringFromCString(""), 0, 0);
         Dart_LibraryImportLibrary(trampoline, mainLibrary, Dart_Null());
 
         Dart_Handle result = Dart_FinalizeLoading(false);