Get rid of requested size in RetryAfterGC.

test/cctest/test-alloc.cc

Index: test/cctest/test-alloc.cc
diff --git a/test/cctest/test-alloc.cc b/test/cctest/test-alloc.cc
index 68b757a4e13b2da821e286be28df15625dd5f285..2936d6e7e12fdb0577ce627c048b5ce211953509 100644
--- a/test/cctest/test-alloc.cc
+++ b/test/cctest/test-alloc.cc
@@ -37,7 +37,7 @@ using namespace v8::internal;
 
 static Object* AllocateAfterFailures() {
   static int attempts = 0;
-  if (++attempts < 3) return Failure::RetryAfterGC(0);
+  if (++attempts < 3) return Failure::RetryAfterGC();
 
   // New space.
   NewSpace* new_space = Heap::new_space();