inline common case when we are left-aligned in drawPosText Review URL: https://codereview.appspot.com/6051051
inline common case when we are left-aligned in drawPosText
Review URL: https://codereview.appspot.com/6051051

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@3727 2bbb7eff-a529-9590-31e7-b0007b416f81

Cue/skia,mrobinson/skia,mrobinson/skia,metajack/skia,mrobinson/skia,metajack/skia,mrobinson/skia,mrobinson/skia,Cue/skia,metajack/skia,Cue/skia,metajack/skia,Cue/skia