Files.app: Remove command registration from file_manager.js.

Currently file_manager.js have a lot of stuff and we should extract code from file_manager.js if it is not top-level procedure.

This CL removes command registration from file_manager.js.

BUG=299657
TEST=manually

Review URL: https://codereview.chromium.org/25010003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225945 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225945
Put "View" menu item of Files.app in translatable string resource.

It had been directly written in the HTML in raw form, which implies it hadn't
been translated at all.

BUG=284967

Review URL: https://codereview.chromium.org/25062006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225946 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225946