message: Fix 1 ClangTidyReadability findings:
  * redundant call to strlen and std::string::c_str
  #codehealth
  Tested:
  Local presubmit tests passed.
diff: @@ -177,7 +177,7 @@ TEST_F(NamedEventTest, NamedEventPathLengthTest) {
  #ifndef OS_WIN
  const std::string name_path = NamedEventUtil::GetEventPath(kName);
  // length should be less than 14 not includeing terminating null.
  - EXPECT_EQ(13, strlen(name_path.c_str()));
  + EXPECT_EQ(13, name_path.length());
  #endif // OS_WIN
  }
  