Method RemoveTrailingPathSeparator

tests/gtest/gtest-all.cc:9576–9580

If input name has a trailing separator character, remove it and return the name, otherwise return the name string unmodified. On Windows platform, uses \ as the separator, other platforms use /.

// name, otherwise return the name string unmodified.
// On Windows platform, uses \ as the separator, other platforms use /.
FilePath FilePath::RemoveTrailingPathSeparator() const {
  return IsDirectory()
      ? FilePath(pathname_.substr(0, pathname_.length() - 1))
      : *this;
}

// Removes any redundant separators that might be in the pathname.
// For example, "bar///foo" becomes "bar/foo". Does not eliminate other