Show warning when connecting to insecure server from secure page.

The W3C WebSocket API specifies that the browser must throw an SecurityError
exception if the requested URL is insecure and the origin is secure.
For backward compatibility, this CL shows a warning message and doesn't throw an exception.

BUG=85271
R=tyoshino, abarth

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=165922

Review URL: https://codereview.chromium.org/143763002

git-svn-id: svn://svn.chromium.org/blink/trunk@166710 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: timeline split is corrupt due to caches view sizes.

Review URL: https://codereview.chromium.org/143273006

git-svn-id: svn://svn.chromium.org/blink/trunk@166711 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fix console auto-scroll for non-default zoom factor

Always try to scroll maximally upwards when autoscrolling console. No need to substract clientHeight from the scrollHeight to get precise maximall scrollable height, Blink will adjust it automatically to the max allowed value.

BUG=161646

Review URL: https://codereview.chromium.org/149633004

git-svn-id: svn://svn.chromium.org/blink/trunk@166712 bbb929c8-8fbe-4397-9dbb-9b2b20218538