RenderBox::computePositionedLogicalHeightUsing() decides top, bottom and
height of the positioned box.

LogicalHeightLength is a height specified by CSS. So, whether it
contains borders and paddings depends on box-sizing value. There is no
difference between a normal block and a table.

In a table case, the current code overwrites the CSS height using the
height of a RenderBox. The height of a RenderBox always doesn't contain
borders and paddings. If a table has box-sizing border-box, the code
sets the height which doesn't contain borders and paddings to
logicalHeightLength which thinks its value contains borders and
paddings. This makes a result height narrower than an expected height.

Since we already has a height which doesn't contain borders and padding
for a table, we should not call adjustContentBoxLogicalHeightForBoxSizing().

Review URL: https://codereview.chromium.org/25206002

git-svn-id: svn://svn.chromium.org/blink/trunk@159743 bbb929c8-8fbe-4397-9dbb-9b2b20218538