Roll Chrome to canary (114939)

- Keep up to date with the clang rev Chrome is using.
- tools/clang/update.sh now updates clang on Linux if it has been
  manually run once.
- We can remove clang_revision from DEPS; now maintained in update.sh.
- Also keep the gyp rev in sync.

TEST=build on Linux, Mac, Win

Review URL: http://webrtc-codereview.appspot.com/331010

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1271 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed