Small refactoring in SkImage_Codec

Small refactoring in SkImage_Codec

BUG=skia:2947
Committed: https://skia.googlesource.com/skia/+/7b433f15de2c69e7b37e163e50ce7984085cdf46

[Rémi Piotaix, 2014-09-17 19:14:02]

piotaixr@chromium.org changed reviewers:
+ junov@chromium.org, reed@google.com

[Rémi Piotaix, 2014-09-17 19:14:09]

PTAL

[reed1, 2014-09-17 19:22:51]

Why can't this subclass use lazy images the way we do for the imagegenerate one?
That would obviate the need for this change (I think).

[Rémi Piotaix, 2014-09-17 19:40:45]

On 2014/09/17 19:22:51, reed1 wrote:
> Why can't this subclass use lazy images the way we do for the imagegenerate
one?
> That would obviate the need for this change (I think).

I don't understand what you mean by 'imagegenerate".

[reed1, 2014-09-17 19:52:22]

This CL is no worse, so we can wait on potentially refactoring this subclass to
use SkImageGenerator.

lgtm

[Rémi Piotaix, 2014-09-17 19:56:18]

The CQ bit was checked by piotaixr@chromium.org

[commit-bot: I haz the power, 2014-09-17 19:56:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/579773003/1

[commit-bot: I haz the power, 2014-09-17 20:05:18]

Committed patchset #1 (id:1) as 7b433f15de2c69e7b37e163e50ce7984085cdf46