Revert https://codereview.chromium.org/105673008/ because the CL was causing a crash (http://crbug.com/335068)

BUG=335068
TEST=Crash stops occuring
TBR=pkotwicz

Review URL: https://codereview.chromium.org/130413004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245913 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245913
Move importer unit tests from the production target to the unit test target

o_O

TBR=scottmg@chromium.org
R=vegorov@chromium.org
BUG=none

Review URL: https://codereview.chromium.org/143343002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245914 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245914