Revert of cc: Imagedecodes: Clip the src_rect to the image rect.

Revert of cc: Imagedecodes: Clip the src_rect to the image rect. (patchset #2 id:20001 of https://codereview.chromium.org/1691623002/ )

Reason for revert:
This is causing crashes on canary. crbug.com/586430

Original issue's description:
> cc: Imagedecodes: Clip the src_rect to the image rect.
>
> This patch clips the source rect to the image rect. If the source rect
> falls outside of the image rect, then we still allocate enough memory
> for the original source rect, although we don't read the pixels into
> it, which results in us eventually using uninitialized memory.
>
> R=enne
> BUG=585698
> CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

TBR=enne@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=585698
Committed: https://crrev.com/ea840cce5370feee1ffbc75c7625c9dc682da9d1
Cr-Commit-Position: refs/heads/master@{#375194}

[vmpstr, 2016-02-12 16:59:17]

Created Revert of cc: Imagedecodes: Clip the src_rect to the image rect.

[commit-bot: I haz the power, 2016-02-12 16:59:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1691023003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1691023003/1

[commit-bot: I haz the power, 2016-02-12 17:00:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-16 22:43:31]

Description was changed from

==========
Revert of cc: Imagedecodes: Clip the src_rect to the image rect. (patchset #2
id:20001 of https://codereview.chromium.org/1691623002/ )

Reason for revert:
This is causing crashes on canary. crbug.com/586430

Original issue's description:
> cc: Imagedecodes: Clip the src_rect to the image rect.
> 
> This patch clips the source rect to the image rect. If the source rect
> falls outside of the image rect, then we still allocate enough memory
> for the original source rect, although we don't read the pixels into
> it, which results in us eventually using uninitialized memory.
> 
> R=enne
> BUG=585698
> CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

TBR=enne@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=585698
==========

to

==========
Revert of cc: Imagedecodes: Clip the src_rect to the image rect. (patchset #2
id:20001 of https://codereview.chromium.org/1691623002/ )

Reason for revert:
This is causing crashes on canary. crbug.com/586430

Original issue's description:
> cc: Imagedecodes: Clip the src_rect to the image rect.
>
> This patch clips the source rect to the image rect. If the source rect
> falls outside of the image rect, then we still allocate enough memory
> for the original source rect, although we don't read the pixels into
> it, which results in us eventually using uninitialized memory.
>
> R=enne
> BUG=585698
> CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

TBR=enne@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=585698

Committed: https://crrev.com/ea840cce5370feee1ffbc75c7625c9dc682da9d1
Cr-Commit-Position: refs/heads/master@{#375194}
==========

[commit-bot: I haz the power, 2016-02-16 22:43:31]

Patchset 1 (id:??) landed as
https://crrev.com/ea840cce5370feee1ffbc75c7625c9dc682da9d1
Cr-Commit-Position: refs/heads/master@{#375194}