Convert unit tests, GMs from SkBitmapSource to SkImagesource

Convert unit tests, GMs from SkBitmapSource to SkImagesource

This removes SkBitmapSource clients within Skia.

http://crrev.com/1334173004 does the same for Blink, so we should be
able to remove SkBitmapSource in a follow-up.

R=reed@google.com,robertphillips@google.com,mtklein@google.com

Committed: https://skia.googlesource.com/skia/+/5598b63cd2443a608a74a222d0206bb2455383b7

[f(malita), 2015-09-15 17:08:34]

The CQ bit was checked by fmalita@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-09-15 17:08:49]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1343123002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1343123002/1

[commit-bot: I haz the power, 2015-09-15 17:14:47]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-09-15 17:14:47]

Dry run: This issue passed the CQ dry run.

[robertphillips, 2015-09-15 17:43:52]

lgtm

https://codereview.chromium.org/1343123002/diff/1/bench/MergeBench.cpp
File bench/MergeBench.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/bench/MergeBench.cpp#newcode66
bench/MergeBench.cpp:66: SkAutoTUnref<SkSurface>
surface(SkSurface::NewRasterN32Premul(80, 80));
"SkCanvas* canvas = surface->getCanvas();" here and use it in following call?

https://codereview.chromium.org/1343123002/diff/1/bench/MergeBench.cpp#newcode89
bench/MergeBench.cpp:89: bool fInitialized;
fBitmap -> fImage ?
fBigGImage ?

https://codereview.chromium.org/1343123002/diff/1/gm/imagefilterscropexpand.cpp
File gm/imagefilterscropexpand.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/imagefilterscropexpand.c...
gm/imagefilterscropexpand.cpp:60: 
static SkImage* MakeGradientCircle(int width, int height) ?

https://codereview.chromium.org/1343123002/diff/1/gm/imagefilterscropexpand.c...
gm/imagefilterscropexpand.cpp:96: 
override ?

https://codereview.chromium.org/1343123002/diff/1/gm/imagefilterscropexpand.c...
gm/imagefilterscropexpand.cpp:103: 
gradientCircle ?

https://codereview.chromium.org/1343123002/diff/1/gm/imagefiltersgraph.cpp
File gm/imagefiltersgraph.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/imagefiltersgraph.cpp#ne...
gm/imagefiltersgraph.cpp:110: 
Can this be static & DrawClippedImage ?

https://codereview.chromium.org/1343123002/diff/1/gm/imagefiltersscaled.cpp
File gm/imagefiltersscaled.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/imagefiltersscaled.cpp#n...
gm/imagefiltersscaled.cpp:45: 
Make this static & have it return an SkImage* (like all the others) ?

https://codereview.chromium.org/1343123002/diff/1/gm/offsetimagefilter.cpp
File gm/offsetimagefilter.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/offsetimagefilter.cpp#ne...
gm/offsetimagefilter.cpp:33: 
can this be static ?

https://codereview.chromium.org/1343123002/diff/1/gm/xfermodeimagefilter.cpp
File gm/xfermodeimagefilter.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/xfermodeimagefilter.cpp#...
gm/xfermodeimagefilter.cpp:46: 
DrawClippedPaint ?

https://codereview.chromium.org/1343123002/diff/1/tests/ImageFilterTest.cpp
File tests/ImageFilterTest.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/tests/ImageFilterTest.cpp#n...
tests/ImageFilterTest.cpp:429: SkAutoTUnref<SkImage>
gradientImage(SkImage::NewFromBitmap(make_gradient_circle(64, 64)));
gradientSource ?

[f(malita), 2015-09-15 18:12:45]

The CQ bit was checked by fmalita@chromium.org to run a CQ dry run

[f(malita), 2015-09-15 18:12:54]

https://codereview.chromium.org/1343123002/diff/1/bench/MergeBench.cpp
File bench/MergeBench.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/bench/MergeBench.cpp#newcode66
bench/MergeBench.cpp:66: SkAutoTUnref<SkSurface>
surface(SkSurface::NewRasterN32Premul(80, 80));
On 2015/09/15 17:43:52, robertphillips wrote:
> "SkCanvas* canvas = surface->getCanvas();" here and use it in following call?

Done.

https://codereview.chromium.org/1343123002/diff/1/bench/MergeBench.cpp#newcode89
bench/MergeBench.cpp:89: bool fInitialized;
On 2015/09/15 17:43:52, robertphillips wrote:
> fBitmap -> fImage ?
> fBigGImage ?

Done.

https://codereview.chromium.org/1343123002/diff/1/gm/imagefilterscropexpand.cpp
File gm/imagefilterscropexpand.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/imagefilterscropexpand.c...
gm/imagefilterscropexpand.cpp:60: 
On 2015/09/15 17:43:52, robertphillips wrote:
> static SkImage* MakeGradientCircle(int width, int height) ?

Done.

https://codereview.chromium.org/1343123002/diff/1/gm/imagefilterscropexpand.c...
gm/imagefilterscropexpand.cpp:96: 
On 2015/09/15 17:43:52, robertphillips wrote:
> override ?

Done.

https://codereview.chromium.org/1343123002/diff/1/gm/imagefilterscropexpand.c...
gm/imagefilterscropexpand.cpp:103: 
On 2015/09/15 17:43:52, robertphillips wrote:
> gradientCircle ?

Done.

https://codereview.chromium.org/1343123002/diff/1/gm/imagefiltersgraph.cpp
File gm/imagefiltersgraph.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/imagefiltersgraph.cpp#ne...
gm/imagefiltersgraph.cpp:110: 
On 2015/09/15 17:43:52, robertphillips wrote:
> Can this be static & DrawClippedImage ?

Done.

https://codereview.chromium.org/1343123002/diff/1/gm/imagefiltersscaled.cpp
File gm/imagefiltersscaled.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/imagefiltersscaled.cpp#n...
gm/imagefiltersscaled.cpp:45: 
On 2015/09/15 17:43:52, robertphillips wrote:
> Make this static & have it return an SkImage* (like all the others) ?

Done.

https://codereview.chromium.org/1343123002/diff/1/gm/offsetimagefilter.cpp
File gm/offsetimagefilter.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/offsetimagefilter.cpp#ne...
gm/offsetimagefilter.cpp:33: 
On 2015/09/15 17:43:52, robertphillips wrote:
> can this be static ?

Done.

https://codereview.chromium.org/1343123002/diff/1/gm/xfermodeimagefilter.cpp
File gm/xfermodeimagefilter.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/gm/xfermodeimagefilter.cpp#...
gm/xfermodeimagefilter.cpp:46: 
On 2015/09/15 17:43:52, robertphillips wrote:
> DrawClippedPaint ?

Done.

https://codereview.chromium.org/1343123002/diff/1/tests/ImageFilterTest.cpp
File tests/ImageFilterTest.cpp (right):

https://codereview.chromium.org/1343123002/diff/1/tests/ImageFilterTest.cpp#n...
tests/ImageFilterTest.cpp:429: SkAutoTUnref<SkImage>
gradientImage(SkImage::NewFromBitmap(make_gradient_circle(64, 64)));
On 2015/09/15 17:43:52, robertphillips wrote:
> gradientSource ?

Done.

[commit-bot: I haz the power, 2015-09-15 18:12:59]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1343123002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1343123002/20001

[commit-bot: I haz the power, 2015-09-15 18:19:05]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-09-15 18:19:06]

Dry run: This issue passed the CQ dry run.

[f(malita), 2015-09-15 18:25:00]

The CQ bit was checked by fmalita@chromium.org

[f(malita), 2015-09-15 18:25:01]

The patchset sent to the CQ was uploaded after l-g-t-m from
robertphillips@google.com
Link to the patchset: https://codereview.chromium.org/1343123002/#ps20001
(title: "review comments")

[commit-bot: I haz the power, 2015-09-15 18:25:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1343123002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1343123002/20001

[commit-bot: I haz the power, 2015-09-15 18:26:19]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/5598b63cd2443a608a74a222d0206bb2455383b7