Change variable name to avoid scoping issues.
Add an error condition to avoid entering a drag when a tab is being closed.

BUG=137541
TEST=N/A

Review URL: https://chromiumcodereview.appspot.com/10797003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@147513 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed