Merge google-perftools r109 (the current contents of third_party/tcmalloc/vendor)

third_party/tcmalloc/chromium/src/memory_region_map.h

Index: third_party/tcmalloc/chromium/src/memory_region_map.h
===================================================================
--- third_party/tcmalloc/chromium/src/memory_region_map.h	(revision 87277)
+++ third_party/tcmalloc/chromium/src/memory_region_map.h	(working copy)
@@ -39,6 +39,7 @@
 #ifdef HAVE_PTHREAD
 #include <pthread.h>
 #endif
+#include <stddef.h>
 #include <set>
 #include "base/stl_allocator.h"
 #include "base/spinlock.h"
@@ -98,10 +99,6 @@
   // the number of Init() calls.
   static bool Shutdown();
 
-  // Check that our hooks are still in place and crash if not.
-  // No need for locking.
-  static void CheckMallocHooks();
-
   // Locks to protect our internal data structures.
   // These also protect use of arena_ if our Init() has been done.
   // The lock is recursive.
@@ -231,7 +228,7 @@
     static void *Allocate(size_t n) {
       return LowLevelAlloc::AllocWithArena(n, arena_);
     }
-    static void Free(const void *p) {
+    static void Free(const void *p, size_t /* n */) {
       LowLevelAlloc::Free(const_cast<void*>(p));
     }
   };
@@ -260,7 +257,6 @@
   union RegionSetRep;
 
  private:
-
   // representation ===========================================================
 
   // Counter of clients of this module that have called Init().