Removed ResourceProvider::GetWrapMode.

It's used only by the software compositor to get the wrap mode
of a resource. Instead that information can be provided by the
ScopedReadLockSoftware and avoid the extra resource_id lookup
we're making currently.

R=ccameron@chromium.org

Review URL: https://codereview.chromium.org/81833003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237155 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237155