Depends on gtest r300, which allows String to contain NUL.

src/gmock.cc

@@ -63,7 +63,7 @@ static const char* ParseGoogleMockFlagValue(const char* str,
 
   // The flag must start with "--gmock_".
   const String flag_str = String::Format("--gmock_%s", flag);
-  const size_t flag_len = flag_str.GetLength();
+  const size_t flag_len = flag_str.length();
   if (strncmp(str, flag_str.c_str(), flag_len) != 0) return NULL;
 
   // Skips the flag name.