Promises: some adaptations to spec

src/runtime.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2645 matching lines @@
   InstallBuiltin(isolate, holder, "shift", Builtins::kArrayShift);
   InstallBuiltin(isolate, holder, "unshift", Builtins::kArrayUnshift);
   InstallBuiltin(isolate, holder, "slice", Builtins::kArraySlice);
   InstallBuiltin(isolate, holder, "splice", Builtins::kArraySplice);
   InstallBuiltin(isolate, holder, "concat", Builtins::kArrayConcat);
 
   return *holder;
 }
 
 
-RUNTIME_FUNCTION(MaybeObject*, Runtime_IsCallable) {
-  SealHandleScope shs(isolate);
-  ASSERT(args.length() == 1);
-  CONVERT_ARG_CHECKED(Object, obj, 0);
-  return isolate->heap()->ToBoolean(obj->IsCallable());
-}
-
-
 RUNTIME_FUNCTION(MaybeObject*, Runtime_IsClassicModeFunction) {
   SealHandleScope shs(isolate);
   ASSERT(args.length() == 1);
   CONVERT_ARG_CHECKED(JSReceiver, callable, 0);
   if (!callable->IsJSFunction()) {
     HandleScope scope(isolate);
     bool threw = false;
     Handle<Object> delegate = Execution::TryGetFunctionDelegate(
         isolate, Handle<JSReceiver>(callable), &threw);
     if (threw) return Failure::Exception();
@@ skipping 12231 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal