Cleanup: More override fixes - another round.

Cleanup: More override fixes - another round.

BUG=skia:3075
TEST=ninja -C out/Debug
TBR=reed@google.com

Committed: https://skia.googlesource.com/skia/+/aa458fb20a4350da581f8ceec69ea16eec295ced

[tfarina, 2015-01-06 01:08:00]

Submitting this batch.

[tfarina, 2015-01-06 01:08:29]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2015-01-06 01:08:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/831113002/220001

[commit-bot: I haz the power, 2015-01-06 01:18:55]

Committed patchset #12 (id:220001) as
https://skia.googlesource.com/skia/+/aa458fb20a4350da581f8ceec69ea16eec295ced

[reed2, 2015-01-06 03:57:54]

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

[reed2, 2015-01-06 03:57:54]

if you are going to make massive changes like this, and not have someone review
them (was this blocking something?), please follow the new convention.

virtual void foo();  // override

becomes

void foo() SK_OVERRIDE;