[Oilpan] Set stack limit using estimated sizes (Re-land)

Source/platform/heap/HeapTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. 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
@@ skipping 5458 matching lines @@
     static int sTraceLazy;
 };
 
 int DeepEagerly::sTraceCalls = 0;
 int DeepEagerly::sTraceLazy = 0;
 
 TEST(HeapTest, TraceDeepEagerly)
 {
 #if !ENABLE(ASSERT)
     DeepEagerly* obj = nullptr;
-    for (int i = 0; i < 10000; i++)
+    for (int i = 0; i < 2000000; i++)
         obj = new DeepEagerly(obj);
 
     Persistent<DeepEagerly> persistent(obj);
     Heap::collectGarbage(ThreadState::NoHeapPointersOnStack);
 
     // Verify that the DeepEagerly chain isn't completely unravelled
     // by performing eager trace() calls, but the explicit mark
     // stack is switched once some nesting limit is exceeded.
     EXPECT_GT(DeepEagerly::sTraceLazy, 2);
 #endif
@@ skipping 75 matching lines @@
 
 TEST(HeapTest, StackGrowthDirection)
 {
     // The implementation of marking probes stack usage as it runs,
     // and has a builtin assumption that the stack grows towards
     // lower addresses.
     EXPECT_EQ(GrowsTowardsLower, stackGrowthDirection());
 }
 
 } // namespace blink