Make eager allocation site pretenuring decisions.

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index c9101bea9f71687ff9c73f559f081fddc2f137c0..9655d383324f43e5410e2454297c0c0ea3f75fb9 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -1512,17 +1512,11 @@ class Heap {
       8 * (Page::kPageSize > MB ? Page::kPageSize : MB);
 
   intptr_t OldGenerationAllocationLimit(intptr_t old_gen_size) {
-    const int divisor = FLAG_stress_compaction ? 10 :
-        new_space_high_promotion_mode_active_ ? 1 : 3;
+    const int divisor = FLAG_stress_compaction ? 10 : 1;
     intptr_t limit =
         Max(old_gen_size + old_gen_size / divisor,
             kMinimumOldGenerationAllocationLimit);
     limit += new_space_.Capacity();
-    // TODO(hpayer): Can be removed when when pretenuring is supported for all
-    // allocation sites.
-    if (IsHighSurvivalRate() && IsStableOrIncreasingSurvivalTrend()) {
-      limit *= 2;
-    }
     intptr_t halfway_to_the_max = (old_gen_size + max_old_generation_size_) / 2;
     return Min(limit, halfway_to_the_max);
   }