Revert 126020 - Experiment for updating the tcmalloc chromium branch to r144 (gperftools 2.0).

third_party/tcmalloc/chromium/src/static_vars.h

Index: third_party/tcmalloc/chromium/src/static_vars.h
===================================================================
--- third_party/tcmalloc/chromium/src/static_vars.h	(revision 126022)
+++ third_party/tcmalloc/chromium/src/static_vars.h	(working copy)
@@ -65,7 +65,9 @@
   // must be protected by pageheap_lock.
 
   // Page-level allocator.
-  static PageHeap* pageheap() { return pageheap_; }
+  static PageHeap* pageheap() {
+    return reinterpret_cast<PageHeap*>(pageheap_memory_);
+  }
 
   static PageHeapAllocator<Span>* span_allocator() { return &span_allocator_; }
 
@@ -103,7 +105,10 @@
   // is stored in trace->stack[kMaxStackDepth-1].
   static StackTrace* growth_stacks_;
 
-  static PageHeap* pageheap_;
+  // PageHeap uses a constructor for initialization.  Like the members above,
+  // we can't depend on initialization order, so pageheap is new'd
+  // into this buffer.
+  static char pageheap_memory_[sizeof(PageHeap)];
 };
 
 }  // namespace tcmalloc