Implement spawnFunction from the new isolate api.

runtime/vm/exceptions.cc

Index: runtime/vm/exceptions.cc
===================================================================
--- runtime/vm/exceptions.cc	(revision 5367)
+++ runtime/vm/exceptions.cc	(working copy)
@@ -298,47 +298,64 @@
 
 RawObject* Exceptions::Create(
     ExceptionType type, const GrowableArray<const Object*>& arguments) {
+  Library& library = Library::Handle();
   String& class_name = String::Handle();
   switch (type) {
     case kIndexOutOfRange:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("IndexOutOfRangeException");
       break;
     case kIllegalArgument:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("IllegalArgumentException");
       break;
     case kNoSuchMethod:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("NoSuchMethodException");
       break;
     case kClosureArgumentMismatch:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("ClosureArgumentMismatchException");
       break;
     case kObjectNotClosure:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("ObjectNotClosureException");
       break;
     case kBadNumberFormat:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("BadNumberFormatException");
       break;
     case kStackOverflow:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("StackOverflowException");
       break;
     case kOutOfMemory:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("OutOfMemoryException");
       break;
     case kWrongArgumentCount:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("WrongArgumentCountException");
       break;
     case kInternalError:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("InternalError");
       break;
     case kNullPointer:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("NullPointerException");
       break;
     case kIllegalJSRegExp:
+      library = Library::CoreLibrary();
       class_name = String::NewSymbol("IllegalJSRegExpException");
       break;
+    case kIsolateSpawn:
+      library = Library::IsolateLibrary();
+      class_name = String::NewSymbol("IsolateSpawnException");
+      break;
   }
 
-  return DartLibraryCalls::ExceptionCreate(class_name, arguments);
+  return DartLibraryCalls::ExceptionCreate(library, class_name, arguments);
 }
 
 }  // namespace dart