Move basic string operations to ui/app_list/search

Move basic string operations to ui/app_list/search

BUG=380875
R=xiyuan@chromium.org
TEST=build succeeds

Committed: https://crrev.com/1a85132a517b83b9b16c9433a0a65fc54b6ee5ec
Cr-Commit-Position: refs/heads/master@{#292990}

[xiyuan, 2014-08-29 20:57:54]

lgtm

[Jun Mukai, 2014-08-29 21:00:43]

The CQ bit was checked by mukai@chromium.org

[commit-bot: I haz the power, 2014-08-30 03:53:42]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  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_...)
  mac_chromium_compile_dbg on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  win_chromium_compile_dbg on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_comp...)

[commit-bot: I haz the power, 2014-08-30 04:00:56]

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

[commit-bot: I haz the power, 2014-08-30 04:00:57]

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...)

[Jun Mukai, 2014-09-02 17:26:31]

The CQ bit was checked by mukai@chromium.org

[commit-bot: I haz the power, 2014-09-02 17:27:29]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mukai@chromium.org/522683003/20001

[commit-bot: I haz the power, 2014-09-02 19:27:03]

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

[Jun Mukai, 2014-09-02 19:33:37]

The CQ bit was checked by mukai@chromium.org

[commit-bot: I haz the power, 2014-09-02 19:34:10]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mukai@chromium.org/522683003/40001

[commit-bot: I haz the power, 2014-09-02 20:36:22]

Committed patchset #3 (id:40001) as c1f2399f3ebbb37cb8c748c502486e11a1a8c2d7

[commit-bot: I haz the power, 2014-09-10 03:20:32]

Patchset 3 (id:??) landed as
https://crrev.com/1a85132a517b83b9b16c9433a0a65fc54b6ee5ec
Cr-Commit-Position: refs/heads/master@{#292990}