Revert 126715 - Update the tcmalloc vendor branch to r144 (gperftools 2.0).

third_party/tcmalloc/vendor/src/memory_region_map.cc

Index: third_party/tcmalloc/vendor/src/memory_region_map.cc
===================================================================
--- third_party/tcmalloc/vendor/src/memory_region_map.cc	(revision 126727)
+++ third_party/tcmalloc/vendor/src/memory_region_map.cc	(working copy)
@@ -122,8 +122,8 @@
 #include "base/low_level_alloc.h"
 #include "malloc_hook-inl.h"
 
-#include <gperftools/stacktrace.h>
-#include <gperftools/malloc_hook.h>
+#include <google/stacktrace.h>
+#include <google/malloc_hook.h>
 
 // MREMAP_FIXED is a linux extension.  How it's used in this file,
 // setting it to 0 is equivalent to saying, "This feature isn't
@@ -145,8 +145,6 @@
     SpinLock::LINKER_INITIALIZED);
 int MemoryRegionMap::recursion_count_ = 0;  // GUARDED_BY(owner_lock_)
 pthread_t MemoryRegionMap::lock_owner_tid_;  // GUARDED_BY(owner_lock_)
-int64 MemoryRegionMap::map_size_ = 0;
-int64 MemoryRegionMap::unmap_size_ = 0;
 
 // ========================================================================= //
 
@@ -464,7 +462,6 @@
               reinterpret_cast<void*>(region.caller()));
   // Note: none of the above allocates memory.
   Lock();  // recursively lock
-  map_size_ += size;
   InsertRegionLocked(region);
     // This will (eventually) allocate storage for and copy over the stack data
     // from region.call_stack_data_ that is pointed by region.call_stack().
@@ -576,7 +573,6 @@
               reinterpret_cast<void*>(end_addr),
               regions_->size());
   if (VLOG_IS_ON(12))  LogAllLocked();
-  unmap_size_ += size;
   Unlock();
 }