Revert of skstd -> std for unique_ptr

Revert of skstd -> std for unique_ptr (patchset #24 id:460001 of https://codereview.chromium.org/1436033003/ )

Reason for revert:
Still need an answer for SkAdvancedTypefaceMetrics (at least for Google3 iOS build).

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
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1436033003
> 
> Committed: https://skia.googlesource.com/skia/+/ccf1de0d9aa75f29829f1c4c462214b991fd8c9e

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
BUG=skia:4564
Committed: https://skia.googlesource.com/skia/+/1138be45eac9dd21b094c9774a6f9c612f9f8fa8

[mtklein, 2016-01-25 03:49:09]

Created Revert of skstd -> std for unique_ptr

[commit-bot: I haz the power, 2016-01-25 03:49:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1626873004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1626873004/1

[commit-bot: I haz the power, 2016-01-25 03:49:26]

Description was changed from

==========
Revert of skstd -> std for unique_ptr (patchset #24 id:460001 of
https://codereview.chromium.org/1436033003/ )

Reason for revert:
Still need an answer for SkAdvancedTypefaceMetrics (at least for Google3 iOS
build).

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
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/ccf1de0d9aa75f29829f1c4c462214b991fd8c9e

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
BUG=skia:4564
==========

to

==========
Revert of skstd -> std for unique_ptr (patchset #24 id:460001 of
https://codereview.chromium.org/1436033003/ )

Reason for revert:
Still need an answer for SkAdvancedTypefaceMetrics (at least for Google3 iOS
build).

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
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/ccf1de0d9aa75f29829f1c4c462214b991fd8c9e

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
BUG=skia:4564

Committed:
https://skia.googlesource.com/skia/+/1138be45eac9dd21b094c9774a6f9c612f9f8fa8
==========

[commit-bot: I haz the power, 2016-01-25 03:49:26]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/1138be45eac9dd21b094c9774a6f9c612f9f8fa8