Installing Chrome OS fonts.
Installing Chrome OS fonts to /usr/local/share/fonts/chromeos.
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:--  0:02:09 --:--:--     0curl: (7) Failed to connect to commondatastorage.googleapis.com port 443: 连接超时
Traceback (most recent call last):
  File "./build/linux/install-chromeos-fonts.py", line 120, in <module>
    sys.exit(main(sys.argv[1:]))
  File "./build/linux/install-chromeos-fonts.py", line 67, in main
    subprocess.check_call(['curl', '-L', url, '-o', tarball])
  File "/usr/lib/python2.7/subprocess.py", line 541, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['curl', '-L', 'https://commondatastorage.googleapis.com/chromeos-localmirror/distfiles/notofonts-20161129.tar.bz2', '-o', '/usr/local/share/fonts/chromeos/notofonts-20161129.tar.bz2']' returned non-zero exit status 7
ERROR: The installation of the Chrome OS default fonts failed.
This is expected if your repo is installed on a remote file system.
It is recommended to install your repo on a local file system.
You can skip the installation of the Chrome OS default founts with
the command line option: --no-chromeos-fonts.

Compile webrtc configuration report error: ERROR: The installation of the Chrome OS default fonts failed.
This means that the installation of the Chrome fonts failed, so far found that this has any effect on the use of webrtc later, you can add -no-chromeos-fonts after the command as prompted, meaning not to install the fonts.

./build/install-build-deps.sh --no-chromeos-fonts