Move operator<< for StringPiece into string_piece.{h,cc}

Move operator<< for StringPiece into string_piece.{h,cc}

BUG=110651
TEST=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=118416

[akalin, 2012-01-19 07:22:37]

+suzhe for review, +evan for OWNERS

[James Su, 2012-01-19 07:31:38]

Thanks for help on it.
LGTM.

On 2012/01/19 07:22:37, akalin wrote:
> +suzhe for review, +evan for OWNERS

[akalin, 2012-01-19 08:41:55]

Fix compile error in net.  -evan, +willchan for base and net OWNERS

[akalin, 2012-01-19 18:13:18]

forgot willchan was away. +eroman for net OWNERS, +evan for base OWNERS.

[eroman, 2012-01-19 19:36:33]

LGTM for net/*

[Evan Martin, 2012-01-19 19:46:38]

LGTM

[commit-bot: I haz the power, 2012-01-19 19:49:20]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/akalin@chromium.org/9159005/7003

[commit-bot: I haz the power, 2012-01-19 21:14:48]

Try job failure for 9159005-7003 (retry) on linux_rel for step "ui_tests".
It's a second try, previously, step "ui_tests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_rel&...

[commit-bot: I haz the power, 2012-01-19 21:16:25]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/akalin@chromium.org/9159005/7003

[commit-bot: I haz the power, 2012-01-19 23:59:47]

Try job failure for 9159005-7003 (retry) (retry) on mac_rel for step
"browser_tests".
It's a second try, previously, step "browser_tests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

[commit-bot: I haz the power, 2012-01-20 01:45:47]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/akalin@chromium.org/9159005/2014

[commit-bot: I haz the power, 2012-01-20 03:47:22]

Try job failure for 9159005-2014 (retry) on mac_rel for step "browser_tests".
It's a second try, previously, step "browser_tests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...