[NOT TO COMMIT!] Replace third_party/tcmalloc/chromium with tcmalloc r136 (the latest).

third_party/tcmalloc/chromium/src/config.h.in

Index: third_party/tcmalloc/chromium/src/config.h.in
diff --git a/third_party/tcmalloc/chromium/src/config.h.in b/third_party/tcmalloc/chromium/src/config.h.in
index 5ba784ed7bbbc1b4940ab175c231b3b2a85173b4..64766ff407e90aafb0ade537f0547e5852be82bd 100644
--- a/third_party/tcmalloc/chromium/src/config.h.in
+++ b/third_party/tcmalloc/chromium/src/config.h.in
@@ -146,9 +146,6 @@
 /* Define to 1 if you have the <sys/syscall.h> header file. */
 #undef HAVE_SYS_SYSCALL_H
 
-/* Define to 1 if you have the <sys/time.h> header file. */
-#undef HAVE_SYS_TIME_H
-
 /* Define to 1 if you have the <sys/types.h> header file. */
 #undef HAVE_SYS_TYPES_H
 
@@ -192,6 +189,9 @@
    */
 #undef LT_OBJDIR
 
+/* Define to 'volatile' if __malloc_hook is declared volatile */
+#undef MALLOC_HOOK_MAYBE_VOLATILE
+
 /* Define to 1 if your C compiler doesn't accept -c and -o together. */
 #undef NO_MINUS_C_MINUS_O
 
@@ -235,6 +235,12 @@
 /* printf format code for printing a size_t and ssize_t */
 #undef PRIxS
 
+/* Mark the systems where we know it's bad if pthreads runs too
+   early before main (before threads are initialized, presumably).  */
+#ifdef __FreeBSD__
+#define PTHREADS_CRASHES_IF_RUN_TOO_EARLY 1
+#endif
+
 /* Define to necessary symbol if this constant uses a non-standard name on
    your system. */
 #undef PTHREAD_CREATE_JOINABLE
@@ -265,3 +271,4 @@
 #endif
 
 #endif  /* #ifndef GOOGLE_PERFTOOLS_CONFIG_H_ */
+