Revert of Use std::unique_ptr.

Revert of Use std::unique_ptr. (patchset #7 id:120001 of https://codereview.chromium.org/1780933003/ )

Reason for revert:
Now we remember!  The problem was Clank:

https://build.chromium.org/p/tryserver.chromium.android/builders/android_clang_dbg_recipe/builds/34329

Original issue's description:
> Use std::unique_ptr.
> 
> TBR=reed@google.com
> 
> Committed: https://skia.googlesource.com/skia/+/20c1e3abfc681771f73eb19fde7284196e028940

TBR=bungeman@google.com,mtklein@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed: https://skia.googlesource.com/skia/+/977c07dad26fbb56f6d4b5fc1ac1a324d28bd693

[mtklein, 2016-03-10 19:31:17]

Created Revert of Use std::unique_ptr.

[commit-bot: I haz the power, 2016-03-10 19:31:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1782973002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1782973002/1

[commit-bot: I haz the power, 2016-03-10 19:31:31]

Description was changed from

==========
Revert of Use std::unique_ptr. (patchset #7 id:120001 of
https://codereview.chromium.org/1780933003/ )

Reason for revert:
Now we remember!  The problem was Clank:

https://build.chromium.org/p/tryserver.chromium.android/builders/android_clan...

Original issue's description:
> Use std::unique_ptr.
> 
> TBR=reed@google.com
> 
> Committed:
https://skia.googlesource.com/skia/+/20c1e3abfc681771f73eb19fde7284196e028940

TBR=bungeman@google.com,mtklein@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
==========

to

==========
Revert of Use std::unique_ptr. (patchset #7 id:120001 of
https://codereview.chromium.org/1780933003/ )

Reason for revert:
Now we remember!  The problem was Clank:

https://build.chromium.org/p/tryserver.chromium.android/builders/android_clan...

Original issue's description:
> Use std::unique_ptr.
> 
> TBR=reed@google.com
> 
> Committed:
https://skia.googlesource.com/skia/+/20c1e3abfc681771f73eb19fde7284196e028940

TBR=bungeman@google.com,mtklein@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed:
https://skia.googlesource.com/skia/+/977c07dad26fbb56f6d4b5fc1ac1a324d28bd693
==========

[commit-bot: I haz the power, 2016-03-10 19:31:32]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/977c07dad26fbb56f6d4b5fc1ac1a324d28bd693