Reduce internal explicit SaveFlags usage.

Reduce internal explicit SaveFlags usage.

Most of these are either redundant/defaults or (hopefully)
unnecessarily specific.

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

Committed: http://code.google.com/p/skia/source/detail?r=14253

[reed1, 2014-04-17 21:14:32]

lgtm

[f(malita), 2014-04-17 21:19:46]

On 2014/04/17 21:14:32, reed1 wrote:
> lgtm

I'll wait for the trybot herd to make sure this is not changing perf/behavior.

[f(malita), 2014-04-17 23:28:26]

On 2014/04/17 21:19:46, Florin Malita wrote:
> On 2014/04/17 21:14:32, reed1 wrote:
> > lgtm
> 
> I'll wait for the trybot herd to make sure this is not changing perf/behavior.

Hmm, there are (Linux-only?!) GM failures, caused by the
src/core/SkPictureStateTree.cpp changes. Apparently SkPictureStateTree relies on
save-clip-only trickery :(

I can leave that alone for now, but I'd rather chat with Robert tomorrow to
understand what's going on.

[f(malita), 2014-04-17 23:33:11]

On 2014/04/17 23:28:26, Florin Malita wrote:
> Hmm, there are (Linux-only?!) GM failures

Mac too, only Win seems happy.

[f(malita), 2014-04-18 14:03:00]

The CQ bit was checked by fmalita@chromium.org

[commit-bot: I haz the power, 2014-04-18 14:03:14]

CQ is trying da patch. Follow status at
https://skia-tree-status.appspot.com/cq/fmalita@chromium.org/241453003/20001

[commit-bot: I haz the power, 2014-04-18 14:19:37]

Change committed as 14253