Oilpan: Disable sized heap

Source/platform/heap/Heap.h

 /*
  * 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 384 matching lines @@
 // require prompt finalization after a garbage collection. That is, their
 // instances have to be finalized early and cannot be delayed until lazy
 // sweeping kicks in for their heap and page. The EAGERLY_FINALIZE()
 // macro is used to declare a class (and its derived classes) as being
 // in need of eager finalization. Must be defined with 'public' visibility
 // for a class.
 //
 
 inline int Heap::heapIndexForObjectSize(size_t size)
 {
+    /*
     if (size < 64) {
         if (size < 32)
             return ThreadState::NormalPage1HeapIndex;
         return ThreadState::NormalPage2HeapIndex;
     }
     if (size < 128)
         return ThreadState::NormalPage3HeapIndex;
     return ThreadState::NormalPage4HeapIndex;
+    */
+    return ThreadState::NormalPage1HeapIndex;
 }
 
 inline bool Heap::isNormalHeapIndex(int index)
 {
     return index >= ThreadState::NormalPage1HeapIndex && index <= ThreadState::NormalPage4HeapIndex;
 }
 
 #define DECLARE_EAGER_FINALIZATION_OPERATOR_NEW() \
 public:                                           \
     GC_PLUGIN_IGNORE("491488")                    \
@@ skipping 87 matching lines @@
 void VisitorHelper<Derived>::handleWeakCell(Visitor* self, void* object)
 {
     T** cell = reinterpret_cast<T**>(object);
     if (*cell && !ObjectAliveTrait<T>::isHeapObjectAlive(*cell))
         *cell = nullptr;
 }
 
 } // namespace blink
 
 #endif // Heap_h