IsFileInUse should return false when the file doesn't exist.

IsFileInUse should return false when the file doesn't exist.

BUG=98195
TEST=install chrome, delete the installation dir without uninstalling, then install again.  hope that chrome.exe is in place rather than new_chrome.exe.


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=168548

[robertshield, 2012-11-16 20:25:40]

lgtm

[commit-bot: I haz the power, 2012-11-16 20:42:30]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/grt@chromium.org/11417038/1

[commit-bot: I haz the power, 2012-11-16 22:05:42]

Sorry for I got bad news for ya.
Compile failed with a clobber build on win.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win&number...
Your code is likely broken or HEAD is junk. Please ensure your
code is not broken then alert the build sheriffs.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2012-11-19 15:04:02]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/grt@chromium.org/11417038/10001

[commit-bot: I haz the power, 2012-11-19 15:05:27]

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

[commit-bot: I haz the power, 2012-11-19 16:25:30]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/grt@chromium.org/11417038/10001

[commit-bot: I haz the power, 2012-11-19 17:47:40]

Change committed as 168548