GitLab

this function return inverse matrix.
if the current matrix is not invertible set all attributes to NaN and set is2D to false.
refer to detail spec([1],[2])

[1] = https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-inverse
[2] = https://drafts.fxtf.org/geometry/#dom-dommatrix-invertself

 BUG=388780

Review-Url: https://codereview.chromium.org/2283173003
Cr-Commit-Position: refs/heads/master@{#416348}