Replace WebNonCopyable with DISALLOW_COPY_AND_ASSIGN in test runner library

Replace WebNonCopyable with DISALLOW_COPY_AND_ASSIGN in test runner library

BUG=331298
R=battre@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=242873

[battre, 2014-01-02 16:32:28]

lgtm

[commit-bot: I haz the power, 2014-01-02 16:34:02]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jochen@chromium.org/123243002/1

[commit-bot: I haz the power, 2014-01-02 21:25:22]

Retried try job too often on mac_rel for step(s) app_list_unittests,
base_unittests, browser_tests, cacheinvalidation_unittests, cc_unittests,
check_deps, check_deps2git, chromedriver2_unittests, components_unittests,
content_browsertests, content_unittests, crypto_unittests,
google_apis_unittests, gpu_unittests, interactive_ui_tests, ipc_tests,
jingle_unittests, media_unittests, message_center_unittests, nacl_integration,
net_unittests, ppapi_unittests, printing_unittests, remoting_unittests,
sql_unittests, sync_integration_tests, sync_unit_tests, telemetry_unittests,
unit_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

[commit-bot: I haz the power, 2014-01-03 08:45:23]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jochen@chromium.org/123243002/360001

[commit-bot: I haz the power, 2014-01-03 09:30:57]

Retried try job too often on linux_rel for step(s) chromedriver2_unittests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_rel&...

[jochen (gone - plz use gerrit), 2014-01-03 09:52:20]

Committed patchset #2 manually as r242873 (presubmit successful).