Revert of skstd -> std for unique_ptr

Revert of skstd -> std for unique_ptr (patchset #17 id:320001 of https://codereview.chromium.org/1436033003/ )

Reason for revert:
Chromium bots can't handle forward declared types, e.g.

struct Foo {
   int x,y;
   std::unique_ptr<Foo> next;
};

https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_asan_rel_ng/builds/86497

Original issue's description:
> skstd -> std for unique_ptr
> 
> TBR=reed@google.com
> No public API changes.
> 
> BUG=skia:4564
> 
> Committed: https://skia.googlesource.com/skia/+/755c553c17b82bb5de3d9cc8d3b2a866ff9e9e50
> 
> CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Mac10.9-Clang-x86_64-Release-CMake-Trybot,Build-Ubuntu-GCC-x86_64-Debug-CrOS_Link-Trybot;client.skia:Perf-Mac10.9-Clang-MacMini6.2-CPU-AVX-x86_64-Release-Trybot,Test-iOS-Clang-iPad4-GPU-SGX554-Arm7-Release-Trybot
> 
> Committed: https://skia.googlesource.com/skia/+/06189155d987db5c7e69015f6ea87c2168d6a065
> 
> Committed: https://skia.googlesource.com/skia/+/70e8dfca4a7f5bce97b8021a6e378c4828b09c8c
> 
> Committed: https://skia.googlesource.com/skia/+/dadfc245cc9a0279ff7b73da3344f2ca5d139907

TBR=bungeman@google.com,mtklein@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:4564
Committed: https://skia.googlesource.com/skia/+/5c05d10511610c35f7912d48ede509c7e32e0a3c

[mtklein, 2015-12-02 20:31:15]

Created Revert of skstd -> std for unique_ptr

[commit-bot: I haz the power, 2015-12-02 20:31:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1498583002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1498583002/1

[commit-bot: I haz the power, 2015-12-02 20:32:05]

Description was changed from

==========
Revert of skstd -> std for unique_ptr (patchset #17 id:320001 of
https://codereview.chromium.org/1436033003/ )

Reason for revert:
Chromium bots can't handle forward declared types, e.g.

struct Foo {
   int x,y;
   std::unique_ptr<Foo> next;
};

https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium...

Original issue's description:
> skstd -> std for unique_ptr
> 
> TBR=reed@google.com
> No public API changes.
> 
> BUG=skia:4564
> 
> Committed:
https://skia.googlesource.com/skia/+/755c553c17b82bb5de3d9cc8d3b2a866ff9e9e50
> 
>
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Mac10.9-Clang-x86_64-Release-CMake-Trybot,Build-Ubuntu-GCC-x86_64-Debug-CrOS_Link-Trybot;client.skia:Perf-Mac10.9-Clang-MacMini6.2-CPU-AVX-x86_64-Release-Trybot,Test-iOS-Clang-iPad4-GPU-SGX554-Arm7-Release-Trybot
> 
> Committed:
https://skia.googlesource.com/skia/+/06189155d987db5c7e69015f6ea87c2168d6a065
> 
> Committed:
https://skia.googlesource.com/skia/+/70e8dfca4a7f5bce97b8021a6e378c4828b09c8c
> 
> Committed:
https://skia.googlesource.com/skia/+/dadfc245cc9a0279ff7b73da3344f2ca5d139907

TBR=bungeman@google.com,mtklein@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:4564
==========

to

==========
Revert of skstd -> std for unique_ptr (patchset #17 id:320001 of
https://codereview.chromium.org/1436033003/ )

Reason for revert:
Chromium bots can't handle forward declared types, e.g.

struct Foo {
   int x,y;
   std::unique_ptr<Foo> next;
};

https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium...

Original issue's description:
> skstd -> std for unique_ptr
> 
> TBR=reed@google.com
> No public API changes.
> 
> BUG=skia:4564
> 
> Committed:
https://skia.googlesource.com/skia/+/755c553c17b82bb5de3d9cc8d3b2a866ff9e9e50
> 
>
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Mac10.9-Clang-x86_64-Release-CMake-Trybot,Build-Ubuntu-GCC-x86_64-Debug-CrOS_Link-Trybot;client.skia:Perf-Mac10.9-Clang-MacMini6.2-CPU-AVX-x86_64-Release-Trybot,Test-iOS-Clang-iPad4-GPU-SGX554-Arm7-Release-Trybot
> 
> Committed:
https://skia.googlesource.com/skia/+/06189155d987db5c7e69015f6ea87c2168d6a065
> 
> Committed:
https://skia.googlesource.com/skia/+/70e8dfca4a7f5bce97b8021a6e378c4828b09c8c
> 
> Committed:
https://skia.googlesource.com/skia/+/dadfc245cc9a0279ff7b73da3344f2ca5d139907

TBR=bungeman@google.com,mtklein@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:4564

Committed:
https://skia.googlesource.com/skia/+/5c05d10511610c35f7912d48ede509c7e32e0a3c
==========

[commit-bot: I haz the power, 2015-12-02 20:32:05]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/5c05d10511610c35f7912d48ede509c7e32e0a3c