Add //ipc to "gn check", work on base

Add //ipc to "gn check", work on base

This fixes the header issues in these directories and adds them to the list of targets to be checked.

Committed: https://crrev.com/e75311d05a5839a37e20dbf8998080f2db9627ab
Cr-Commit-Position: refs/heads/master@{#316705}

[brettw, 2015-02-14 00:46:22]

brettw@chromium.org changed reviewers:
+ jamesr@chromium.org

[jamesr, 2015-02-14 00:49:41]

https://codereview.chromium.org/926593007/diff/1/base/allocator/BUILD.gn
File base/allocator/BUILD.gn (right):

https://codereview.chromium.org/926593007/diff/1/base/allocator/BUILD.gn#newc...
base/allocator/BUILD.gn:157: "//base",
Hmm, is this what this code is actually using? I thought it was using the stuff
in third_party/tcmalloc/src/base/.... and not actually //base

[brettw, 2015-02-14 00:56:43]

On 2015/02/14 00:49:41, jamesr wrote:
> https://codereview.chromium.org/926593007/diff/1/base/allocator/BUILD.gn
> File base/allocator/BUILD.gn (right):
> 
>
https://codereview.chromium.org/926593007/diff/1/base/allocator/BUILD.gn#newc...
> base/allocator/BUILD.gn:157: "//base",
> Hmm, is this what this code is actually using? I thought it was using the
stuff
> in third_party/tcmalloc/src/base/.... and not actually //base

Gargh. I just disabled header checking for this, which I think is OK for third
party libs.

[brettw, 2015-02-17 18:33:50]

PTAL. I had to disable base bit worked it out so that it will pass when we roll
GN binaries.

[brettw, 2015-02-17 20:23:41]

brettw@chromium.org changed reviewers:
+ jam@chromium.org
- jamesr@chromium.org

[brettw, 2015-02-17 20:23:42]

=> jam

[jam, 2015-02-17 23:12:48]

cool lgtm

[brettw, 2015-02-17 23:52:49]

The CQ bit was checked by brettw@chromium.org

[commit-bot: I haz the power, 2015-02-17 23:53:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/926593007/80001

[commit-bot: I haz the power, 2015-02-17 23:56:58]

Committed patchset #5 (id:80001)

[commit-bot: I haz the power, 2015-02-17 23:57:29]

Patchset 5 (id:??) landed as
https://crrev.com/e75311d05a5839a37e20dbf8998080f2db9627ab
Cr-Commit-Position: refs/heads/master@{#316705}

[jamesr, 2015-02-18 18:45:42]

jamesr@chromium.org changed reviewers:
+ jamesr@chromium.org

[jamesr, 2015-02-18 18:45:43]

lgtm as well.