Clean up QUIC field trial parsing code.

Clean up QUIC field trial parsing code.

Committed: https://crrev.com/e9efff4491d5d132829e0684b5f5e396fadd4129
Cr-Commit-Position: refs/heads/master@{#311064}

[Ryan Hamilton, 2015-01-09 23:24:28]

rch@chromium.org changed reviewers:
+ rtenneti@chromium.org

[ramant (doing other things), 2015-01-09 23:26:41]

lgtm

[Ryan Hamilton, 2015-01-09 23:27:58]

The CQ bit was checked by rch@chromium.org

[commit-bot: I haz the power, 2015-01-09 23:29:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/845843002/1

[commit-bot: I haz the power, 2015-01-09 23:34:16]

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

[commit-bot: I haz the power, 2015-01-09 23:34:17]

Try jobs failed on following builders:
  win_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/win_gpu/builds/10...)
  android_aosp on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_aosp/bu...)
  android_arm64_dbg_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_arm64_d...)
  android_chromium_gn_compile_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_chromiu...)
  android_chromium_gn_compile_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_chromiu...)
  android_clang_dbg_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_clang_d...)
  android_compile_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_compile...)
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)
  linux_chromium_asan_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_chromeos_compile_dbg_ng on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_chromeos_rel_ng on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_compile_dbg_32_ng on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_gn_dbg 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_ng 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_ng on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  mac_chromium_rel_ng 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_ng on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)
  win_chromium_x64_rel_ng on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[Ryan Hamilton, 2015-01-10 00:29:02]

The CQ bit was checked by rch@chromium.org

[commit-bot: I haz the power, 2015-01-10 00:30:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/845843002/20001

[commit-bot: I haz the power, 2015-01-10 01:21:00]

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

[commit-bot: I haz the power, 2015-01-10 01:21:00]

Try jobs failed on following builders:
  android_dbg_tests_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg_tes...)

[Ryan Hamilton, 2015-01-12 17:00:59]

The CQ bit was checked by rch@chromium.org

[commit-bot: I haz the power, 2015-01-12 17:01:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/845843002/40001

[commit-bot: I haz the power, 2015-01-12 17:58:46]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-01-12 18:02:14]

Patchset 3 (id:??) landed as
https://crrev.com/e9efff4491d5d132829e0684b5f5e396fadd4129
Cr-Commit-Position: refs/heads/master@{#311064}