This roll includes:
  - [inspector_protocol] always use weak pointer in DispatcherImpl::{command.name} [1]

[1] https://codereview.chromium.org/2545613002/

BUG=chromium:668358
TBR=dgozman@chromium.org

Review-Url: https://codereview.chromium.org/2541253002
Cr-Commit-Position: refs/heads/master@{#41402}