Get gpudft support working in dm, gm, nanobench and bench_pictures

Get gpudft support working in dm, gm, nanobench and bench_pictures

Adds a new config to test distance field text.
Clean up some flags and #defines to read "distance field text",
not "distance field fonts" to be consistent with Chromium

NOTREECHECKS=true

Committed: https://skia.googlesource.com/skia/+/06ba179838ba4fe187cf290750aeeb4a02a2960b

Committed: https://skia.googlesource.com/skia/+/4736e1434ae329e3a737dfd9504c22b3fc13dc72

[jvanverth1, 2014-11-06 20:42:26]

jvanverth@google.com changed reviewers:
+ bsalomon@google.com, mtklein@google.com, reed@google.com

[jvanverth1, 2014-11-06 20:42:27]

There's one weirdness here that I didn't address -- SkGpuDevice takes both
SkSurfaceProps (which contain a dftext flag) and flags (which also contain a
dftext flag). I think the dftext flag should be removed from the SkGpuDevice
flags, but I'll handle it in a different change.

[mtklein, 2014-11-06 20:50:23]

lgtm

[bsalomon, 2014-11-06 20:52:09]

On 2014/11/06 20:42:27, jvanverth1 wrote:
> There's one weirdness here that I didn't address -- SkGpuDevice takes both
> SkSurfaceProps (which contain a dftext flag) and flags (which also contain a
> dftext flag). I think the dftext flag should be removed from the SkGpuDevice
> flags, but I'll handle it in a different change.

lgtm

[jvanverth1, 2014-11-06 21:27:59]

The CQ bit was checked by jvanverth@google.com

[commit-bot: I haz the power, 2014-11-06 21:28:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/699453005/20001

[commit-bot: I haz the power, 2014-11-06 21:38:57]

Committed patchset #2 (id:20001) as 06ba179838ba4fe187cf290750aeeb4a02a2960b

[jvanverth1, 2014-11-06 21:51:06]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/707723005/ by jvanverth@google.com.

The reason for reverting is: Not compiling in ANGLE build.

[jvanverth1, 2014-11-07 15:03:08]

The CQ bit was checked by jvanverth@google.com

[commit-bot: I haz the power, 2014-11-07 15:03:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/699453005/60001

[commit-bot: I haz the power, 2014-11-07 15:12:51]

Committed patchset #4 (id:60001) as
https://skia.googlesource.com/skia/+/4736e1434ae329e3a737dfd9504c22b3fc13dc72