Revert more of my change to RendererMainTest.
Revert more of my change to RendererMainTest.

In r62770 I attempted to revert some of r62676, but I missed a piece
that I should have reverted.

TEST=should still pass, code is just simpler

Review URL: http://codereview.chromium.org/3937001

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@63285 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser