Fix missing dependency from app_host to chrome_version_resources

Meant to commit this along with the changes in https://chromiumcodereview.appspot.com/10905238/ but pressed the wrong button.

This CL is required to ensure clean builds of app_host don't fail.

NOTRY=True
TBR=huangs,grt,brettw 
BUG=138315
TEST=None

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=157015

[commit-bot: I haz the power, 2012-09-14 20:05:37]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/erikwright@chromium.org/10914296/1

[erikwright (departed), 2012-09-14 20:06:33]

https://chromiumcodereview.appspot.com/10914296/diff/1/chrome/chrome_browser_...
File chrome/chrome_browser_extensions.gypi (right):

https://chromiumcodereview.appspot.com/10914296/diff/1/chrome/chrome_browser_...
chrome/chrome_browser_extensions.gypi:837:
'<(DEPTH)/chrome/chrome.gyp:chrome_version_resources',
Sorry, should have uploaded an initial patchset equal to previous CL.

This line is the only change introduced.

[brettw, 2012-09-14 22:13:43]

lgtm

[commit-bot: I haz the power, 2012-09-14 23:30:28]

Sorry for I got bad news for ya.
Compile failed with a clobber build.
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, 2012-09-15 19:14:38]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/erikwright@chromium.org/10914296/7003

[commit-bot: I haz the power, 2012-09-15 19:49:03]

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

[commit-bot: I haz the power, 2012-09-15 19:58:27]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/erikwright@chromium.org/10914296/7003

[commit-bot: I haz the power, 2012-09-15 20:20:19]

Change committed as 157015