Get rid of requested size in RetryAfterGC.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index c80f1fc348e49154d1df7e72230ee873c38f560f..d387618d09290868172bbc899f6c638dd9d40ff4 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -10153,7 +10153,7 @@ void Runtime::PerformGC(Object* result) {
   if (failure->IsRetryAfterGC()) {
     // Try to do a garbage collection; ignore it if it fails. The C
     // entry stub will throw an out-of-memory exception in that case.
-    Heap::CollectGarbage(failure->requested(), failure->allocation_space());
+    Heap::CollectGarbage(failure->allocation_space());
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).