Fix paths to LayoutTests after the Blink merge.

Fix paths to LayoutTests after the Blink merge. BUG=345464

[eseidel, 2014-02-20 23:39:37]

Odd that this uploaded to appspot instead of codereview.chromium.org This can't be landed until after the merge lands. I'm also not 100% sure it's correct.

[M-A, 2014-02-21 00:03:10]

FTR, the upstream repo is: https://code.google.com/p/swarming/source/checkout?repo=client So blink moved already? (I must admit I'm a bit out of the loop) In theory I'm not sure this is needed at all. What's the issue you are seeing, I could help you debug it.

[eseidel, 2014-02-21 00:09:22]

Nope. Blink has not merged into Chromium yet, but it's coming. I'm preparing the demo repository now. I'm not seeing any issues. I did a search replace of "third_party/WebKit" with "blink" and this file was hit. This CL is more of a warning-shot, than something which needs direct action.

[M-A, 2014-02-21 00:57:35]

Ok thanks, I don't think this line it still technically needed, it's been a long time since LayoutTests is optionally checked out so I'll simply remove this line. It happens I can probably remove the other one too, I'll look into it. Thanks for the warning!