Carnitas: Remove unneeded include from download_file_manager.cc
Carnitas: Remove unneeded include from download_file_manager.cc

BUG=None
TEST=NONE

Review URL: http://codereview.chromium.org/6410095

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@73872 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser