merge autoland to mozilla-central a=merge

CLOBBER

browser/app/profile/firefox.js

browser/base/content/browser.css

browser/base/content/browser.xul

browser/base/content/popup-notifications.inc

browser/base/content/urlbarBindings.xml

browser/components/nsBrowserGlue.js

browser/components/preferences/in-content/advanced.js

browser/components/preferences/in-content/advanced.xul

browser/config/tooltool-manifests/win32/releng.manifest

browser/config/tooltool-manifests/win64/releng.manifest

browser/locales/en-US/chrome/browser/browser.dtd

browser/locales/en-US/chrome/browser/browser.properties

...ser/locales/en-US/chrome/browser/preferences/advanced.dtd

browser/modules/ContentCrashHandlers.jsm

browser/themes/linux/browser.css

browser/themes/osx/browser.css

browser/themes/shared/login-doorhanger.inc.css

browser/themes/shared/notification-icons.inc.css

browser/themes/windows/browser.css