Revert part of r1213 that's causing failures on Mac.
Revert part of r1213 that's causing failures on Mac.

Causing an unexpected extra "." argument for some command lines, which often works, but not in some cases.
Review URL: https://chromiumcodereview.appspot.com/9355052

git-svn-id: e7e1075985beda50ea81ac4472467b4f6e91fc78@1217 78cadc50-ecff-11dd-a971-7dbc132099af

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