Fix ResourceLoadTiming Resolution Issue 4th step - remove unused macros from common.gypi

Fix ResourceLoadTiming Resolution Issue 4th step - remove unused macros from common.gypi

This is the 4th step to fix ResourceLoadTiming resolution issue, as chromium and blink part
has been already smoothly switched to double resolution timestamps in ResourceLoadTiming, provisional
macros can be removed now.

Contributed by pan.deng@intel.com

BUG=242452
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=203373

[Pan, 2013-05-29 09:11:02]

Hi michaeln,

could you please help review this? the macro is not used any more as CL
https://codereview.chromium.org/15863002/ has been landed.

thanks!
Pan

[michaeln, 2013-05-29 17:14:57]

lgtm

[commit-bot: I haz the power, 2013-05-30 00:11:28]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/pan.deng@intel.com/15962018/1

[commit-bot: I haz the power, 2013-05-30 01:29:33]

Sorry for I got bad news for ya.
Compile failed with a clobber build on linux_chromeos_clang.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_chro...
Your code is likely broken or HEAD is junk. Please ensure your
code is not broken then alert the build sheriffs.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2013-05-30 03:47:41]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/pan.deng@intel.com/15962018/1

[commit-bot: I haz the power, 2013-05-30 06:31:25]

Retried try job too often on linux_chromeos for step(s) browser_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_chro...

[commit-bot: I haz the power, 2013-05-30 10:25:25]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/pan.deng@intel.com/15962018/1

[commit-bot: I haz the power, 2013-05-30 12:39:18]

Retried try job too often on linux_chromeos for step(s) browser_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_chro...

[commit-bot: I haz the power, 2013-05-31 05:21:44]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/pan.deng@intel.com/15962018/1

[commit-bot: I haz the power, 2013-05-31 09:08:40]

Change committed as 203373