roll gyp to 0bb67471bca068996e15b56738fa4824dfa19de0

Roll gyp to 0bb67471bca068996e15b56738fa4824dfa19de0

Includes:
0bb67471bca068996e15b56738fa4824dfa19de0 Slightly better docs for git instead of svn
8866260996c063f514dfafd0e05743a42709a49c win: prefer amd64_x86 compiler on >= 2013, not just 2013
3601f26003c6163128a66330ce845b5cb309c7a9 Make dump_dependency_json.py write <| list files to the output directory
2f66a3f949530074bc5151ea8daf6c2b7abd07a7 Whitespace change to test the new GYP waterfalls.

TBR=dpranke@chromium.org
BUG=482238
Committed: https://crrev.com/df96653f5f95767d9f1df00bc2809c16d01a687b
Cr-Commit-Position: refs/heads/master@{#327540}

[scottmg, 2015-04-29 17:58:02]

The CQ bit was checked by scottmg@chromium.org

[commit-bot: I haz the power, 2015-04-29 17:58:16]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1113863002/1

[Dirk Pranke, 2015-04-29 17:58:18]

lgtm

[commit-bot: I haz the power, 2015-04-29 19:13:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-29 19:14:53]

Patchset 1 (id:??) landed as
https://crrev.com/df96653f5f95767d9f1df00bc2809c16d01a687b
Cr-Commit-Position: refs/heads/master@{#327540}