webkit-patch apply-* should always continue after failures

webkit-patch apply-* should always continue after failures
https://bugs.webkit.org/show_bug.cgi?id=77057

Reviewed by Adam Barth.

As far as I can tell there is only one potential drawback to always
forcing: that if you're somehow in the wrong directory it will create new
directories for new files.  Since webkit-patch always cd's to the root
it seems that's not a drawback.  The drawback of not using --force for
svn-apply, is that it will stop after the first failure, which is rarely
(if ever) the desired behavior.  This just removes the force option
(which was strangely hidden behind --non-interactive).  This should
make for a better user experiance.

* Scripts/webkitpy/common/checkout/checkout.py:
(Checkout.apply_patch):
* Scripts/webkitpy/common/checkout/checkout_mock.py:
(MockCheckout.apply_patch):
* Scripts/webkitpy/common/checkout/checkout_unittest.py:
(CheckoutTest.test_chromium_deps):
(CheckoutTest):
(CheckoutTest.test_apply_patch):
* Scripts/webkitpy/tool/commands/download_unittest.py:
(DownloadCommandsTest._default_options):
* Scripts/webkitpy/tool/steps/applypatch.py:
(ApplyPatch.options):
(ApplyPatch.run):
* Scripts/webkitpy/tool/steps/options.py:
(Options):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@105945 268f45cc-cd09-0410-ab3c-d52691b4dbfc