Cleanup namespace usage in platform/graphics/[filters/* to skia/*] and platform/graphics/[B-D]*

Cleanup namespace usage in platform/graphics/[filters/* to skia/*] and platform/graphics/[B-D]*

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=180244

[heeyoun.lee, 2014-08-13 13:18:28]

PTAL

[tkent, 2014-08-14 00:54:54]

The CQ bit was checked by tkent@chromium.org

[tkent, 2014-08-14 00:54:55]

lgtm

[commit-bot: I haz the power, 2014-08-14 00:55:46]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/heeyoun.lee@samsung.com/464273002/1

[commit-bot: I haz the power, 2014-08-14 05:16:48]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  linux_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/linux_blink_rel/builds/2...)

[commit-bot: I haz the power, 2014-08-14 06:45:11]

Committed patchset #1 (1) as 180244