Coverity: Fix a ctor/dtor leak by making |buffer_| a scoped_ptr and releasing
|buffer_| when DownloadFileManager takes ownership.

CID=13944
BUG=none
TEST=none

[email protected]

Review URL: http://codereview.chromium.org/6722001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@79073 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed