Revert of Avoid too small reads to bufferMoreData()

Revert of Avoid too small reads to bufferMoreData() (patchset #4 id:60001 of https://codereview.chromium.org/1644893003/ )

Reason for revert:
Crashed both Nexus 5s:

  https://build.chromium.org/p/client.skia.android/builders/Perf-Android-GCC-Nexus5-CPU-NEON-Arm7-Release/builds/3355
https://build.chromium.org/p/client.skia.android/builders/Perf-Android-GCC-Nexus5-CPU-NEON-Arm7-Release/builds/3354

Original issue's description:
> Avoid too small reads to bufferMoreData()
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1644893003
> 
> Committed: https://skia.googlesource.com/skia/+/fd918e8c739065fa467cf6614181d3a2c5dcadcb

TBR=msarett@google.com,scroggo@google.com,yujieqin@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed: https://skia.googlesource.com/skia/+/2ac722f1f8b675eebc89ca1c2d7d44cfc887b58a

[jcgregorio, 2016-02-02 13:35:46]

Created Revert of Avoid too small reads to bufferMoreData()

[commit-bot: I haz the power, 2016-02-02 13:36:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1656303002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1656303002/1

[commit-bot: I haz the power, 2016-02-02 13:36:42]

Description was changed from

==========
Revert of Avoid too small reads to bufferMoreData() (patchset #4 id:60001 of
https://codereview.chromium.org/1644893003/ )

Reason for revert:
Crashed both Nexus 5s:

 
https://build.chromium.org/p/client.skia.android/builders/Perf-Android-GCC-Ne...
https://build.chromium.org/p/client.skia.android/builders/Perf-Android-GCC-Ne...

Original issue's description:
> Avoid too small reads to bufferMoreData()
> 
> BUG=skia:
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/fd918e8c739065fa467cf6614181d3a2c5dcadcb

TBR=msarett@google.com,scroggo@google.com,yujieqin@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
==========

to

==========
Revert of Avoid too small reads to bufferMoreData() (patchset #4 id:60001 of
https://codereview.chromium.org/1644893003/ )

Reason for revert:
Crashed both Nexus 5s:

 
https://build.chromium.org/p/client.skia.android/builders/Perf-Android-GCC-Ne...
https://build.chromium.org/p/client.skia.android/builders/Perf-Android-GCC-Ne...

Original issue's description:
> Avoid too small reads to bufferMoreData()
> 
> BUG=skia:
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/fd918e8c739065fa467cf6614181d3a2c5dcadcb

TBR=msarett@google.com,scroggo@google.com,yujieqin@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed:
https://skia.googlesource.com/skia/+/2ac722f1f8b675eebc89ca1c2d7d44cfc887b58a
==========

[commit-bot: I haz the power, 2016-02-02 13:36:43]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/2ac722f1f8b675eebc89ca1c2d7d44cfc887b58a