Gardening: Update to latest revision

Effecting CLS:
https://codereview.chromium.org/196403008
https://codereview.chromium.org/218603002
https://codereview.chromium.org/212603006
patches: Change the logic how test for GPU process

Deliberately remove established_gpu_channel for checking whether GPU process is
being used or not. This fix the Chromium starting up.

TEST= ./chrome --no-sandbox --single-process
      ./chrome --no-sandbox