ui_tests failing under Dr. Memory

_From [bruen...@google.com](https://code.google.com/u/109494838902877177630/) on August 16, 2011 16:15:27_

running ui_tests with full Dr. Memory on win7, most of them pass now. this is with Release build of chrome (there are more problems when using Debug).

ignoring the ones that fail natively, we have these failing under drmem
that work natively:

[ FAILED ] NPAPIVisiblePluginTester.VerifyNPObjectLifetimeTest
[ FAILED ] ProcessSingletonTest.StartupRaceCondition
[ FAILED ] UILayoutTest.MediaUILayoutTest
[ FAILED ] LoginPromptTest.FLAKY_TestCancelAuth
[ FAILED ] BookmarksUITest.CommandAgainGoesBackToBookmarksTab
[ FAILED ] PrintPreviewUITest.LoadPrintPreviewByURL
[ FAILED ] PreferenceServiceTest.PreservedWindowPlacementIsLoaded
[ FAILED ] PreferenceServiceTest.PreservedWindowPlacementIsMigrated
[ FAILED ] RedirectTest.FAILS_ClientCancelled

plus I disabled some tests that were hanging:

ChromeMainTest.SecondLaunchWithIncognitoUrl
(this one hung w/ a window saying "Chromium is unresponsive. Relaunch now?"
why didn't it time out and continue?!?)

MediaTest.*
got a message "Windows Firewall has blocked chrome.exe"
that hung the suite on MediaTest.VideoBearWebm

_Original issue: http://code.google.com/p/drmemory/issues/detail?id=555_