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

third_party/tcmalloc/chromium/src/tests/realloc_unittest.cc

Index: third_party/tcmalloc/chromium/src/tests/realloc_unittest.cc
===================================================================
--- third_party/tcmalloc/chromium/src/tests/realloc_unittest.cc	(revision 88335)
+++ third_party/tcmalloc/chromium/src/tests/realloc_unittest.cc	(working copy)
@@ -33,13 +33,16 @@
 // Test realloc() functionality
 
 #include "config_for_unittests.h"
+#include <assert.h>                     // for assert
 #include <stdio.h>
-#include <stdlib.h>
-#include <algorithm>   // for min()
+#include <stddef.h>                     // for size_t, NULL
+#include <stdlib.h>                     // for free, malloc, realloc
+#include <algorithm>                    // for min
 #include "base/logging.h"
 
 using std::min;
 
+
 // Fill a buffer of the specified size with a predetermined pattern
 static void Fill(unsigned char* buffer, int n) {
   for (int i = 0; i < n; i++) {