Reorganize CommandLine code.
The majority of these changes are purely moving code.
Conducted some minor (and hopefully straightforward) refactoring.

BUG=73195
TEST=none

Review URL: http://codereview.chromium.org/6596020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76339 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed