Oilpan: V8 major GC should schedule an idle GC if IDLE_GC is enabled

Source/bindings/core/v8/V8GCController.cpp

Index: Source/bindings/core/v8/V8GCController.cpp
diff --git a/Source/bindings/core/v8/V8GCController.cpp b/Source/bindings/core/v8/V8GCController.cpp
index 6573ce25ab4ed4fb4e0b399c12df90fa3253ea32..678ba9d952eedd4a84cc79cc15dfbf1a40e94b14 100644
--- a/Source/bindings/core/v8/V8GCController.cpp
+++ b/Source/bindings/core/v8/V8GCController.cpp
@@ -444,7 +444,7 @@ void V8GCController::majorGCEpilogue(v8::Isolate* isolate)
         //     the DOM objects are not collected forever. (Note that
         //     Oilpan's GC is not triggered unless Oilpan's heap gets full.)
         // (6) V8 hits OOM.
-#if ENABLE(OILPAN)
+#if ENABLE(IDLE_GC)
         ThreadState::current()->scheduleIdleGC();
 #else
         ThreadState::current()->schedulePreciseGC();