Port scale and compare functions to pepper_33 and mips.
BUG=none
TEST=validator passes with new toolchain.
R=wjia@chromium.org

Review URL: https://codereview.chromium.org/98793005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241623 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241623
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241624 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241624