Cleanup namespace usage in Source/core/{dom/* & fileapi/*}

Cleanup namespace usage in Source/core/{dom/* and fileapi/*}

Cleanup namespace usage in Source/core/{dom/* and fileapi/*}

- Remove unnecessary blink:: prefixes
- Make blank lines consistent

BUG=None

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=180182

[Sunil Ratnu, 2014-08-12 20:43:21]

Please review this. Thanks!

[abarth-chromium, 2014-08-12 21:05:20]

lgtm

[Sunil Ratnu, 2014-08-12 21:11:31]

The CQ bit was checked by sunil.ratnu@samsung.com

[commit-bot: I haz the power, 2014-08-12 21:12:08]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sunil.ratnu@samsung.com/460393003/40001

[commit-bot: I haz the power, 2014-08-12 22:20:19]

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

[commit-bot: I haz the power, 2014-08-12 22:31:26]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-08-12 22:31:27]

Try jobs failed on following builders:
  android_blink_compile_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/android_blink_compile_re...)

[Sunil Ratnu, 2014-08-13 12:43:37]

The CQ bit was checked by sunil.ratnu@samsung.com

[commit-bot: I haz the power, 2014-08-13 12:44:58]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sunil.ratnu@samsung.com/460393003/60001

[commit-bot: I haz the power, 2014-08-13 13:27:22]

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

[commit-bot: I haz the power, 2014-08-13 13:30:54]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-08-13 13:30:55]

Try jobs failed on following builders:
  linux_chromium_gn_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/linux_chromium_gn_rel/bu...)

[Sunil Ratnu, 2014-08-13 15:12:32]

The CQ bit was checked by sunil.ratnu@samsung.com

[commit-bot: I haz the power, 2014-08-13 15:13:00]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sunil.ratnu@samsung.com/460393003/60001

[commit-bot: I haz the power, 2014-08-13 15:14:19]

Committed patchset #4 (60001) as 180182