Make gtest always use simple internal regex engine.

base/tools_sanity_unittest.cc

Index: base/tools_sanity_unittest.cc
diff --git a/base/tools_sanity_unittest.cc b/base/tools_sanity_unittest.cc
index ff789380122c22808b0f4c7296a7d2108c30d476..4804a35a3b9ef95cec9db0327982fd394b6da30a 100644
--- a/base/tools_sanity_unittest.cc
+++ b/base/tools_sanity_unittest.cc
@@ -65,14 +65,15 @@ void WriteValueOutOfArrayBoundsRight(char *ptr, size_t size) {
 
 void MakeSomeErrors(char *ptr, size_t size) {
   ReadUninitializedValue(ptr);
+
   HARMFUL_ACCESS(ReadValueOutOfArrayBoundsLeft(ptr),
-                 "heap-buffer-overflow.*2 bytes to the left");
+                 "2 bytes to the left");
   HARMFUL_ACCESS(ReadValueOutOfArrayBoundsRight(ptr, size),
-                 "heap-buffer-overflow.*1 bytes to the right");
+                 "1 bytes to the right");
   HARMFUL_ACCESS(WriteValueOutOfArrayBoundsLeft(ptr),
-                 "heap-buffer-overflow.*1 bytes to the left");
+                 "1 bytes to the left");
   HARMFUL_ACCESS(WriteValueOutOfArrayBoundsRight(ptr, size),
-                 "heap-buffer-overflow.*0 bytes to the right");
+                 "0 bytes to the right");
 }
 
 }  // namespace