Bug 1323625: The callers are using Factory::CheckSurfaceSize to guard against zero sized surfaces, so we'll remove the warning. r=rhunt

MozReview-Commit-ID: DzFUjTlXfeT

--HG--
extra : rebase_source : 683250aecffa1e738e5f4963c677b4e169debdfd

gfx/2d/Factory.cpp

@@ -255,7 +255,6 @@ Factory::CheckSurfaceSize(const IntSize &sz,
                           int32_t allocLimit)
 {
   if (sz.width <= 0 || sz.height <= 0) {
-    gfxDebug() << "Surface width or height <= 0!";
     return false;
   }