remove (dumb) canvas::NewRaster, and rename surface::NewRasterPMColor to N32Premul

remove (dumb) canvas::NewRaster, and rename surface::NewRasterPMColor to N32Premul

patch from issue 781403002 at patchset 20001 (http://crrev.com/781403002#ps20001)

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/2c1605a1fbaa2e35a27399a34254fb1200ec2ae6

[reed1, 2014-12-09 16:30:01]

reed@google.com changed reviewers:
+ fmalita@google.com

[reed1, 2014-12-09 20:19:33]

The CQ bit was checked by reed@google.com

[commit-bot: I haz the power, 2014-12-09 20:20:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/790733003/40001

[commit-bot: I haz the power, 2014-12-09 20:20:38]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2014-12-10 02:20 UTC

[reed1, 2014-12-09 20:30:44]

I will test it locally against mac chrome.
ptal

[f(malita), 2014-12-09 20:33:18]

fmalita@chromium.org changed reviewers:
+ fmalita@chromium.org

[f(malita), 2014-12-09 20:33:18]

lgtm

https://codereview.chromium.org/790733003/diff/40001/samplecode/SamplePictFil...
File samplecode/SamplePictFile.cpp (left):

https://codereview.chromium.org/790733003/diff/40001/samplecode/SamplePictFil...
samplecode/SamplePictFile.cpp:139: if (false) {
Leaving this in intentionally?

[commit-bot: I haz the power, 2014-12-09 20:33:44]

Committed patchset #3 (id:40001) as
https://skia.googlesource.com/skia/+/2c1605a1fbaa2e35a27399a34254fb1200ec2ae6

[reed1, 2014-12-09 21:54:06]

A revert of this CL (patchset #3 id:40001) has been created in
https://codereview.chromium.org/791763002/ by reed@google.com.

The reason for reverting is: need to update chrome first.