SkPDF: Annotations are clipped by canvas clip stack.

SkPDF: Annotations are clipped by canvas clip stack.

Also, remove some SkPDFDevice functions.

Will fix this GM: http://crrev.com/1159273003

BUG=skia:3872
Committed: https://skia.googlesource.com/skia/+/eee0e4e9d343d8b6c5ae2da7f17196f00d8859bc

[hal.canary, 2015-06-02 22:34:14]

halcanary@google.com changed reviewers:
+ tomhudson@google.com

[reed1, 2015-06-04 14:03:30]

reed@google.com changed reviewers:
+ reed@google.com

[reed1, 2015-06-04 14:03:31]

lets land the GM first, so we can play with it and load its pdf file into other
readers to see how they behave.

[hal.canary, 2015-06-04 14:40:31]

On 2015/06/04 14:03:31, reed1 wrote:
> lets land the GM first, so we can play with it and load its pdf file into
other
> readers to see how they behave.

Done: https://skia.googlesource.com/skia/+/74015ed

[tomhudson, 2015-06-11 21:23:19]

lgtm

[hal.canary, 2015-06-14 17:59:52]

The CQ bit was checked by halcanary@google.com

[commit-bot: I haz the power, 2015-06-14 18:00:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1148263005/20001

[commit-bot: I haz the power, 2015-06-14 18:05:02]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/eee0e4e9d343d8b6c5ae2da7f17196f00d8859bc

[hal.canary, 2015-06-23 17:52:29]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/1200193003/ by halcanary@google.com.

The reason for reverting is: http://crbug.com/503541.