This roll includes:
- [inspector_protocol] fixed compatibility with latest jinja 2.9.6
- [inspector_protocol] removed unused variable
- Follow up on alph's review comments.
- Provide default escape implementation for latin and wide strings.
- Allow escaping utf8 strings in embedders that operate std::string.
- Upload inspector_protocol changes to Gerrit by default
- [inspector_protocol] Fix building with non-ASCII paths
- [inspector_protocol] added StringUtil::toDouble method as requirement
- Add const char* overloads to ErrorSupport

BUG=chromium:743313
R=dgozman@chromium.org

Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel
Change-Id: Ic81a62c638bf592ae65c84055d53d926e50715ac
Reviewed-on: https://chromium-review.googlesource.com/713538Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48477}