Remove gc greedy mode.

src/heap-inl.h

 // 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 609 matching lines @@
   return amount_of_external_allocated_memory_;
 }
 
 
 Isolate* Heap::isolate() {
   return reinterpret_cast<Isolate*>(reinterpret_cast<intptr_t>(this) -
       reinterpret_cast<size_t>(reinterpret_cast<Isolate*>(4)->heap()) + 4);
 }
 
 
-#ifdef DEBUG
-#define GC_GREEDY_CHECK(ISOLATE) \
-  if (FLAG_gc_greedy) (ISOLATE)->heap()->GarbageCollectionGreedyCheck()
-#else
-#define GC_GREEDY_CHECK(ISOLATE) { }
-#endif
-
 // Calls the FUNCTION_CALL function and retries it up to three times
 // to guarantee that any allocations performed during the call will
 // succeed if there's enough memory.
 
 // Warning: Do not use the identifiers __object__, __maybe_object__ or
 // __scope__ in a call to this macro.
 
 #define CALL_AND_RETRY(ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY)     \
   do {                                                                         \
-    GC_GREEDY_CHECK(ISOLATE);                                                  \
     MaybeObject* __maybe_object__ = FUNCTION_CALL;                             \
     Object* __object__ = NULL;                                                 \
     if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE;                 \
     if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY;                     \
     (ISOLATE)->heap()->CollectGarbage(Failure::cast(__maybe_object__)->        \
                                     allocation_space(),                        \
                                     "allocation failure");                     \
     __maybe_object__ = FUNCTION_CALL;                                          \
     if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE;                 \
     if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY;                     \
@@ skipping 168 matching lines @@
 
 
 double GCTracer::SizeOfHeapObjects() {
   return (static_cast<double>(heap_->SizeOfObjects())) / MB;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_