These are values for text-align that align blocks in addition to
inline content. You can get the same centering affect with margin:auto.
If we want this functionality, we should implement it with the
same alignment APIs that we use for flexbox.
Delete unused methods/arguments from RenderBlockFlow.
No change in behavior. Just deleting dead code.
R=esprehn@chromium.org
Review URL: https://codereview.chromium.org/708843002
The two are unrelated, but it was easier to just grep for grid
and remove them all. Aside from the media query change, there
isn't any change in behavior since grid was behind a flag.
R=esprehn@chromium.org
Review URL: https://codereview.chromium.org/689853003