Fixed system ssl dependency for Aura builds.
Fixed system ssl dependency for Aura builds.

BUG=101770
TEST=make sure all test targest build on linux and chromeos builds with use_aura=1

Review URL: http://codereview.chromium.org/8437077

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@108418 0039d316-1c4b-4281-b951-d872f2087c98

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