Fix instances where we were using a scoped_ptr on an uninitialized pointer. BUG=85122 TEST=none
Fix instances where we were using a scoped_ptr on an uninitialized pointer.
BUG=85122
TEST=none


Review URL: http://codereview.chromium.org/7031075

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@88192 0039d316-1c4b-4281-b951-d872f2087c98

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