Make CallocDiesOnOOM return false under TSan, MSan and ASan. Their allocators...

Make CallocDiesOnOOM return false under TSan, MSan and ASan. Their allocators return NULL in the case of an overflow.

BUG=175554,172149
TBR=mark

Review URL: https://chromiumcodereview.appspot.com/13061002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@190437 0039d316-1c4b-4281-b951-d872f2087c98

base/security_unittest.cc

@@ -66,7 +66,12 @@ bool IsTcMallocBypassed() {
 bool CallocDiesOnOOM() {
 // The wrapper function in base/process_util_linux.cc that is used when we
 // compile without TCMalloc will just die on OOM instead of returning NULL.
-#if defined(OS_LINUX) && defined(NO_TCMALLOC)
+// This function is explicitly disabled if we compile with AddressSanitizer,
+// MemorySanitizer or ThreadSanitizer.
+#if defined(OS_LINUX) && defined(NO_TCMALLOC) && \
+    (!defined(ADDRESS_SANITIZER) && \
+     !defined(MEMORY_SANITIZER) && \
+     !defined(THREAD_SANITIZER))
   return true;
 #else
   return false;