Remove HitTestRequest::DisallowShadowContent from default hit type param of hitTestResultAtPoint.

BUG=None
Test=built chrome target + sanity check by first renaming the function to hitTestResultAtPoint2.

Review URL: https://chromiumcodereview.appspot.com/17448016

git-svn-id: svn://svn.chromium.org/blink/trunk@152834 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Don't attempt to fill ContentBlock unless Content-Length > 0.

When content with a Content-Length of 0 comes in the code incorrectly
assumes there's more data to be read.

While it's a bug that we have Content-Length 0 data coming in, the
harness shouldn't explode with an obscure ValueError in this case.

BUG=232044
TEST=android layout tests don't fail when empty PNG images come in.

Review URL: https://chromiumcodereview.appspot.com/16997007

git-svn-id: svn://svn.chromium.org/blink/trunk@152835 bbb929c8-8fbe-4397-9dbb-9b2b20218538
The order of the generated supplemental code is not guaranteed

Sort the supplemental idl files before generating the code so that it is
generated in a consistent order.

Review URL: https://chromiumcodereview.appspot.com/17261025

git-svn-id: svn://svn.chromium.org/blink/trunk@152836 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove RenderArena from the DOM API.

Whether we can go further or not depends on the results of
one-arena-per-Document vs. one-global-arena testing.

BUG=252057
R=esprehn@chromium.org

Review URL: https://codereview.chromium.org/17082007

git-svn-id: svn://svn.chromium.org/blink/trunk@152837 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Add Christophe Dumez to core/ OWNERS

His nomination was +4ed.

NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/17094018

git-svn-id: svn://svn.chromium.org/blink/trunk@152838 bbb929c8-8fbe-4397-9dbb-9b2b20218538