[SkSVGDevice] drawBitmap* support

[SkSVGDevice] drawBitmap* support

Also fix a clip transform issue: clips are tracked in device space,
but if applied directly to leaf elements they are also subject to local
transforms ("transform='...'"). Instead, apply via <g> wrapper elements.

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

Committed: https://skia.googlesource.com/skia/+/827da23c71310408b2854516af5e2a8910bf700e

[reed2, 2015-02-26 17:43:31]

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

[reed2, 2015-02-26 17:43:32]

lgtm

what we really need going forward is some way to "test" the backend end --
perhaps a renderer so we can compare GM -> 8888 with GM -> SVG -> "renderer" ->
8888.

oh well, I can dream.

[f(malita), 2015-02-27 01:59:26]

On 2015/02/26 17:43:32, reed2 wrote:
> lgtm
> 
> what we really need going forward is some way to "test" the backend end --
> perhaps a renderer so we can compare GM -> 8888 with GM -> SVG -> "renderer"
->
> 8888.
> 
> oh well, I can dream.

Yup, if only we had a way to read svg files into Skia...

[f(malita), 2015-02-27 01:59:34]

The CQ bit was checked by fmalita@chromium.org

[commit-bot: I haz the power, 2015-02-27 01:59:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/959883003/1

[commit-bot: I haz the power, 2015-02-27 02:06:10]

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

[commit-bot: I haz the power, 2015-02-27 02:06:11]

Try jobs failed on following builders:
  Build-Win-VS2013-x86-Debug-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Win-VS2013-x86...)

[f(malita), 2015-02-27 15:31:43]

The CQ bit was checked by fmalita@chromium.org

[f(malita), 2015-02-27 15:31:44]

The patchset sent to the CQ was uploaded after l-g-t-m from reed@chromium.org
Link to the patchset: https://codereview.chromium.org/959883003/#ps20001 (title:
"win warning fix")

[commit-bot: I haz the power, 2015-02-27 15:32:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/959883003/20001

[commit-bot: I haz the power, 2015-02-27 15:45:17]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/827da23c71310408b2854516af5e2a8910bf700e