Revert of [heap] Prepare code for smaller large object allocation limit than max allocatable memory.

test/cctest/test-weaksets.cc

Index: test/cctest/test-weaksets.cc
diff --git a/test/cctest/test-weaksets.cc b/test/cctest/test-weaksets.cc
index 411c92168d5716591b1c69545b5b09649f040ea2..b6f0a784204b1b9adaab45ca97677a8105befa96 100644
--- a/test/cctest/test-weaksets.cc
+++ b/test/cctest/test-weaksets.cc
@@ -187,7 +187,8 @@
 
   // Start second old-space page so that values land on evacuation candidate.
   Page* first_page = heap->old_space()->anchor()->next_page();
-  SimulateFullSpace(heap->old_space());
+  int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB;
+  factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED);
 
   // Fill up weak set with values on an evacuation candidate.
   {
@@ -226,7 +227,8 @@
 
   // Start second old-space page so that keys land on evacuation candidate.
   Page* first_page = heap->old_space()->anchor()->next_page();
-  SimulateFullSpace(heap->old_space());
+  int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB;
+  factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED);
 
   // Fill up weak set with keys on an evacuation candidate.
   Handle<JSObject> keys[32];