Function ScopedTrace

tests/gtest/gtest.h:14667–14669

Optimize for some known types.

  // Optimize for some known types.
  ScopedTrace(const char* file, int line, const char* message) {
    PushTrace(file, line, message ? message : "(null)");
  }

  ScopedTrace(const char* file, int line, const std::string& message) {
    PushTrace(file, line, message);