Fix memory dealocatiom mismatch by using scoped_ptr_malloc

- Flagged by almost all tools

BUG=101717
TEST= sandbox tests in the waterfall are green.

Review URL: http://codereview.chromium.org/9107029

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@117476 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed