Get rid of requested size in RetryAfterGC.

src/heap.h

 // Copyright 2010 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 678 matching lines @@
 
   // Code that should be run before and after each GC.  Includes some
   // reporting/verification activities when compiled with DEBUG set.
   static void GarbageCollectionPrologue();
   static void GarbageCollectionEpilogue();
 
   enum CollectionPolicy { NORMAL, AGGRESSIVE };
 
   // Performs garbage collection operation.
   // Returns whether required_space bytes are available after the collection.
-  static bool CollectGarbage(int required_space,
-                             AllocationSpace space,
+  static void CollectGarbage(AllocationSpace space,
                              CollectionPolicy collectionPolicy = NORMAL);
 
   // Performs a full garbage collection. Force compaction if the
   // parameter is true.
   static void CollectAllGarbage(bool force_compaction,
                                 CollectionPolicy collectionPolicy = NORMAL);
 
   // Last hope GC, should try to squeeze as much as possible.
   static void CollectAllAvailableGarbage();
 
   // Notify the heap that a context has been disposed.
   static int NotifyContextDisposed() { return ++contexts_disposed_; }
 
   // Utility to invoke the scavenger. This is needed in test code to
   // ensure correct callback for weak global handles.
   static void PerformScavenge();
 
 #ifdef DEBUG
   // Utility used with flag gc-greedy.
-  static bool GarbageCollectionGreedyCheck();
+  static void GarbageCollectionGreedyCheck();
 #endif
 
   static void AddGCPrologueCallback(
       GCEpilogueCallback callback, GCType gc_type_filter);
   static void RemoveGCPrologueCallback(GCEpilogueCallback callback);
 
   static void AddGCEpilogueCallback(
       GCEpilogueCallback callback, GCType gc_type_filter);
   static void RemoveGCEpilogueCallback(GCEpilogueCallback callback);
 
@@ skipping 1308 matching lines @@
 
   // To speed up scavenge collections new space string are kept
   // separate from old space strings.
   static List<Object*> new_space_strings_;
   static List<Object*> old_space_strings_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_