Clarify the .gclient URL mismatch error message

Clarify the .gclient URL mismatch error message

BUG=

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=262182

[borenet, 2014-04-07 13:28:14]

The use of "expected" vs "actual" seems to be confusing.  This should clarify a
bit.

[Nico, 2014-04-07 15:40:06]

lgtm

[borenet, 2014-04-07 17:26:57]

The CQ bit was checked by borenet@google.com

[commit-bot: I haz the power, 2014-04-07 17:27:06]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/borenet@google.com/227603003/1

[commit-bot: I haz the power, 2014-04-07 17:29:20]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-04-07 17:29:20]

Presubmit check for 227603003-1 failed and returned exit status 1.

Running presubmit commit checks ...
Checking out rietveld...
Running save-description-on-failure.sh
Running push-basic.sh
Running upstream.sh
Running submit-from-new-dir.sh
Running abandon.sh
Running submodule-merge-test.sh
Running upload-local-tracking-branch.sh
Running hooks.sh
Running post-dcommit-hook-test.sh
Running upload-stale.sh
Running patch.sh
Running basic.sh

** Presubmit ERRORS **
Missing LGTM from an OWNER for these files:
    depot_tools/gclient.py

Presubmit checks took 131.1s to calculate.

[borenet, 2014-04-07 19:53:36]

+a bunch of people for quick review

[M-A Ruel, 2014-04-07 20:02:47]

lgtm

[borenet, 2014-04-07 20:03:47]

The CQ bit was checked by borenet@google.com

[commit-bot: I haz the power, 2014-04-07 20:03:52]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/borenet@google.com/227603003/1

[commit-bot: I haz the power, 2014-04-07 20:06:03]

Change committed as 262182