Clean up MediaStorageUtil

Clean up MediaStorageUtil

Handle failure of GetDeviceInfoFromPath.
Remove GetDeviceMountPoint from the Linux Impl.

BUG=NONE


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=157059

[vandebo (ex-Chrome), 2012-09-16 06:33:13]

Either reviewer will suffice.

[kmadhusu, 2012-09-16 16:10:00]

lgtm

[commit-bot: I haz the power, 2012-09-16 16:14:19]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/vandebo@chromium.org/10913290/1

[commit-bot: I haz the power, 2012-09-16 16:14:25]

Failed to apply patch for
chrome/browser/media_gallery/media_galleries_preferences.cc:
While running patch -p1 --forward --force;
patching file chrome/browser/media_gallery/media_galleries_preferences.cc
Hunk #1 FAILED at 137.
Hunk #2 succeeded at 190 (offset 15 lines).
1 out of 2 hunks FAILED -- saving rejects to file
chrome/browser/media_gallery/media_galleries_preferences.cc.rej

[commit-bot: I haz the power, 2012-09-16 16:32:01]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/vandebo@chromium.org/10913290/2003

[commit-bot: I haz the power, 2012-09-16 20:35:11]

Change committed as 157059

[Lei Zhang, 2012-09-17 00:11:41]

lgtm