Remove unused methods in CPDF_CMap

Clean up CPDF_CMap declaration

- Removed unused methods
- Friendship with CPDF_PathManager is not needed
- Protected may be changed to private

Committed: https://pdfium.googlesource.com/pdfium/+/77be04971c130cadbbdba04814f3d77ef25548bc

[npm, 2016-08-30 21:32:58]

The CQ bit was checked by npm@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-30 21:33:10]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[npm, 2016-08-30 21:39:41]

Description was changed from

==========
Remove unused methods in CPDF_CMap
==========

to

==========
Clean up CPDF_CMap declaration

- Removed unused methods
- Friendship with CPDF_PathManager is not needed
- Protected may be changed to private
==========

[npm, 2016-08-30 21:39:41]

npm@chromium.org changed reviewers:
+ dsinclair@chromium.org, thestig@chromium.org, weili@chromium.org

[commit-bot: I haz the power, 2016-08-30 21:50:39]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-08-30 21:50:40]

Dry run: This issue passed the CQ dry run.

[npm, 2016-08-30 21:55:58]

PTAL

[Lei Zhang, 2016-08-30 22:56:05]

The CQ bit was checked by thestig@chromium.org

[Lei Zhang, 2016-08-30 22:56:06]

lgtm

[commit-bot: I haz the power, 2016-08-30 22:56:11]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-30 22:56:31]

Description was changed from

==========
Clean up CPDF_CMap declaration

- Removed unused methods
- Friendship with CPDF_PathManager is not needed
- Protected may be changed to private
==========

to

==========
Clean up CPDF_CMap declaration

- Removed unused methods
- Friendship with CPDF_PathManager is not needed
- Protected may be changed to private

Committed:
https://pdfium.googlesource.com/pdfium/+/77be04971c130cadbbdba04814f3d77ef255...
==========

[commit-bot: I haz the power, 2016-08-30 22:56:31]

Committed patchset #1 (id:1) as
https://pdfium.googlesource.com/pdfium/+/77be04971c130cadbbdba04814f3d77ef255...