[HTML Imports] Make HTMLLinkElement.import a Document.

LayoutTests/http/tests/resources/testharness.css

 html {

[dglazkov, 2013/06/17 02:04:21]

What is happening with these files in tests/resources? They don't seem to have
any diffs in them, yet they show up in the patch.

     font-family:DejaVu Sans, Bitstream Vera Sans, Arial, Sans;
 }
 
 table#results {
     border-collapse:collapse;
 }
 
 table#results th {
     padding:0;
     padding-bottom:0.5em;
     border-bottom:medium solid black;
 }
 
 table#results td {
     padding:0;
     padding-bottom:0.5em;
     border-bottom:thin solid black;
 }
 
 table#results tr>td:nth-child(1) {
     font-variant:small-caps;
 }
 
 table#results tr>td:nth-child(3) {
     font-family:DejaVu Sans Mono, Bitstream Vera Sans Mono, Monospace;
     white-space:pre;
 }