Fix bugs in SkBmpCodec

Fix bugs in SkBmpCodec

The decode should not depend on the requested alpha type.

These were exposed by:
https://codereview.chromium.org/1641273003

This should cause the number of untriaged images in Gold
to go to zero.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1663303002

Committed: https://skia.googlesource.com/skia/+/ebf440816bbb6fccbfb5ab81145c38d32f056b15

[msarett, 2016-02-03 20:38:25]

Description was changed from

==========
Fix bugs in SkBmpCodec

The decode should not depend on the requested alpha type.

These were exposed by:
https://codereview.chromium.org/1641273003

This should cause the number of untriaged images in Gold
to go to zero.

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

to

==========
Fix bugs in SkBmpCodec

The decode should not depend on the requested alpha type.

These were exposed by:
https://codereview.chromium.org/1641273003

This should cause the number of untriaged images in Gold
to go to zero.

BUG=skia:
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

[msarett, 2016-02-03 20:39:57]

msarett@google.com changed reviewers:
+ scroggo@google.com

[msarett, 2016-02-03 20:40:12]

Patchset #1 (id:1) has been deleted

[scroggo, 2016-02-03 20:42:19]

lgtm

[msarett, 2016-02-03 20:45:40]

The CQ bit was checked by msarett@google.com

[commit-bot: I haz the power, 2016-02-03 20:45:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1663303002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1663303002/20001

[commit-bot: I haz the power, 2016-02-03 21:12:40]

Description was changed from

==========
Fix bugs in SkBmpCodec

The decode should not depend on the requested alpha type.

These were exposed by:
https://codereview.chromium.org/1641273003

This should cause the number of untriaged images in Gold
to go to zero.

BUG=skia:
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

to

==========
Fix bugs in SkBmpCodec

The decode should not depend on the requested alpha type.

These were exposed by:
https://codereview.chromium.org/1641273003

This should cause the number of untriaged images in Gold
to go to zero.

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/+/ebf440816bbb6fccbfb5ab81145c38d32f056b15
==========

[commit-bot: I haz the power, 2016-02-03 21:12:41]

Committed patchset #1 (id:20001) as
https://skia.googlesource.com/skia/+/ebf440816bbb6fccbfb5ab81145c38d32f056b15