Cleanup: More override fixes.

Cleanup: More override fixes.

Fixes errors like:

../../src/gpu/GrGeometryProcessor.h:172:25: error: 'name' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
    virtual const char* name() const = 0;
                            ^
../../include/gpu/GrProcessor.h:66:25: note: overridden virtual function is here
                                virtual const char* name() const = 0;

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

Committed: https://skia.googlesource.com/skia/+/e3d5c7f5a901a083b818fe628281c39d1281efeb

[tfarina, 2014-12-18 01:40:48]

TBRing...

[tfarina, 2014-12-18 01:40:55]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2014-12-18 01:41:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/789343003/1

[Nico, 2014-12-18 01:42:49]

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

[Nico, 2014-12-18 01:42:49]

(lgtm)

[commit-bot: I haz the power, 2014-12-18 01:50:27]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/e3d5c7f5a901a083b818fe628281c39d1281efeb

[reed2, 2014-12-18 02:31:43]

reed@chromium.org changed reviewers:
+ joshualitt@google.com, reed@chromium.org