Put PrintingUIWebContentsObserver and PrintingMessageFilter into printing namespace.

Put PrintingUIWebContentsObserver and PrintingMessageFilter into printing namespace.


BUG=374321
TBR=noamsml

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=290815

[Vitaly Buka (NO REVIEWS), 2014-08-20 09:46:15]

The CQ bit was checked by vitalybuka@chromium.org

[commit-bot: I haz the power, 2014-08-20 09:47:02]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/vitalybuka@chromium.org/492623004/20001

[commit-bot: I haz the power, 2014-08-20 09:55:28]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  linux_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/linux_gpu/builds/...)
  mac_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/mac_gpu/builds/44074)
  win_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/win_gpu/builds/49241)
  android_aosp on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_aosp/bu...)
  android_chromium_gn_compile_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_chromiu...)
  android_clang_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_clang_d...)
  android_dbg_tests_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg_tes...)
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)
  linux_chromium_chromeos_rel_swarming on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_gn_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_rel_swarming on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  ios_dbg_simulator on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_rel_device on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device/bu...)
  ios_rel_device_ninja on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)
  mac_chromium_compile_dbg on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  mac_chromium_rel_swarming on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)
  win8_chromium_rel on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel...)
  win_chromium_compile_dbg on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_comp...)
  win_chromium_rel_swarming on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)
  win_chromium_x64_rel_swarming on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[commit-bot: I haz the power, 2014-08-20 09:56:43]

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

[commit-bot: I haz the power, 2014-08-20 09:56:44]

Try jobs failed on following builders:
  mac_chromium_compile_dbg on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  mac_chromium_rel_swarming on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[Vitaly Buka (NO REVIEWS), 2014-08-20 10:31:39]

The CQ bit was checked by vitalybuka@chromium.org

[commit-bot: I haz the power, 2014-08-20 10:32:06]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/vitalybuka@chromium.org/492623004/20001

[Vitaly Buka (NO REVIEWS), 2014-08-20 10:37:40]

The CQ bit was unchecked by vitalybuka@chromium.org

[Vitaly Buka (NO REVIEWS), 2014-08-20 10:37:45]

The CQ bit was checked by vitalybuka@chromium.org

[commit-bot: I haz the power, 2014-08-20 10:38:56]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/vitalybuka@chromium.org/492623004/1

[commit-bot: I haz the power, 2014-08-20 11:48:48]

Committed patchset #1 (1) as 290815