Add missing accessor to ios PathProvider.

Add missing accessor to ios PathProvider.

Add support to access global GCM store directory and resources.pak
file path to ios PathProvider.

Introduce an helper function to access user local cache and give
access to it through the semi-private header chrome_paths_internal.h.

BUG=547789
Committed: https://crrev.com/b3743799b83f5fa3807d2980d68e7eeaed2ecee9
Cr-Commit-Position: refs/heads/master@{#357838}

[sdefresne, 2015-11-03 16:43:02]

sdefresne@chromium.org changed reviewers:
+ blundell@chromium.org

[sdefresne, 2015-11-03 16:43:02]

Please take a look.

Duplication of the constant kGCMStoreDirname will be removed once
https://codereview.chromium.org/1425783002 lands.

[sdefresne, 2015-11-04 09:58:56]

On 2015/11/03 at 16:43:02, sdefresne wrote:
> Please take a look.
> 
> Duplication of the constant kGCMStoreDirname will be removed once
https://codereview.chromium.org/1425783002 lands.

Duplication was removed, PTAL.

[blundell, 2015-11-04 12:14:26]

https://codereview.chromium.org/1415573009/diff/20001/ios/chrome/browser/chro...
File ios/chrome/browser/chrome_paths.mm (right):

https://codereview.chromium.org/1415573009/diff/20001/ios/chrome/browser/chro...
ios/chrome/browser/chrome_paths.mm:78: if
(!base::PathService::Get(DIR_USER_DATA, &cur))
This is base::DIR_MODULE in chrome_paths.cc. Any reason for the difference?

[sdefresne, 2015-11-04 13:27:43]

https://codereview.chromium.org/1415573009/diff/20001/ios/chrome/browser/chro...
File ios/chrome/browser/chrome_paths.mm (right):

https://codereview.chromium.org/1415573009/diff/20001/ios/chrome/browser/chro...
ios/chrome/browser/chrome_paths.mm:78: if
(!base::PathService::Get(DIR_USER_DATA, &cur))
On 2015/11/04 at 12:14:26, blundell wrote:
> This is base::DIR_MODULE in chrome_paths.cc. Any reason for the difference?

No reason, it is a mistake, thank you for catching it.

[sdefresne, 2015-11-04 14:33:18]

PTAL

[blundell, 2015-11-04 17:15:08]

lgtm

[sdefresne, 2015-11-04 17:19:22]

The CQ bit was checked by sdefresne@chromium.org

[commit-bot: I haz the power, 2015-11-04 17:20:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1415573009/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1415573009/40001

[commit-bot: I haz the power, 2015-11-04 17:25:21]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-11-04 17:26:07]

Patchset 3 (id:??) landed as
https://crrev.com/b3743799b83f5fa3807d2980d68e7eeaed2ecee9
Cr-Commit-Position: refs/heads/master@{#357838}