Mark Network Information as Stable.

See https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/sTtZIk4XkaY for intent to ship.

BUG=368358

Review URL: https://codereview.chromium.org/429883003

git-svn-id: svn://svn.chromium.org/blink/trunk@179308 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Change WokerThread to use a blink::WebThread

This is a reland of https://codereview.chromium.org/423303004/, which was reverted due to memory leak.

BUG=301515

Review URL: https://codereview.chromium.org/438523002

git-svn-id: svn://svn.chromium.org/blink/trunk@179309 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Switch Blink to the new Web Notifications permission path.

BUG=392187, 398045

Review URL: https://codereview.chromium.org/393863002

git-svn-id: svn://svn.chromium.org/blink/trunk@179310 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Remove orphaned CSS rules [3]

See https://bugs.webkit.org/show_bug.cgi?id=72920

BUG=

Review URL: https://codereview.chromium.org/438603002

git-svn-id: svn://svn.chromium.org/blink/trunk@179311 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Fix url assignment when renaming files in workspace

BUG=398843

Review URL: https://codereview.chromium.org/432753003

git-svn-id: svn://svn.chromium.org/blink/trunk@179312 bbb929c8-8fbe-4397-9dbb-9b2b20218538