Revert 129351 - Disable tests that fail because of Flash infobar.

Revert 129351 - Disable tests that fail because of Flash infobar.

The underlying issue has already been fixed.

Disabled tests:
flash.FlashTest.testCanLoadFlash
flash.FlashTest.testFlashIncognitoMode
flash.FlashTest.testFlashLoadsAfterKill
flash.FlashTest.testFlashWithMultipleTabs
flash.FlashTest.testSingleFlashPluginProcess
infobars.InfobarTest.testPluginCrashForMultiTabs
infobars.InfobarTest.testPluginCrashInfobar
plugins.PluginsTest.testBlockAllPlugins
plugins.PluginsTest.testBlockPluginException
process_count.ProcessCountTest.testProcessCountCombination
process_count.ProcessCountTest.testProcessCountFlashProcess
translate.TranslateTest.testSeveralLanguages
youtube.YoutubeTest.testPlayerBytes
youtube.YoutubeTest.testPlayerResolution
youtube.YoutubeTest.testPlayerStatus

BUG=120358
TEST=none

Original review URL: 

TBR=vclarke@google.com

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=129409

[commit-bot: I haz the power, 2012-03-28 08:57:49]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/bauerb@chromium.org/9791057/3001

[commit-bot: I haz the power, 2012-03-28 09:06:13]

Try job failure for 9791057-3001 on mac_rel for step "update".
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

Step "update" is always a major failure.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2012-03-28 12:44:21]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/bauerb@chromium.org/9791057/3001

[commit-bot: I haz the power, 2012-03-28 14:33:10]

Change committed as 129409