Follow-up to bug 1151449.

https://hg.mozilla.org/integration/fx-team/rev/070628989f86334dfd35ae04c5f5151bdb8589a3 Bug 1259847 - Use curly quotes instead of single quotes in our user facing strings. r=dolske

Backed out for browser_privatebrowsing_windowtitle.js permafail. https://hg.mozilla.org/integration/fx-team/rev/37f0d5e12ed7 https://treeherder.mozilla.org/logviewer.html#?job_id=8259940&repo=fx-team

https://hg.mozilla.org/integration/fx-team/rev/5579b62017f217581e1d414f801166c7d55d4f4c Bug 1259847 - Use curly quotes instead of single quotes in our user facing strings. r=dolske

Backed out again for browser_privatebrowsing_windowtitle.js permafail. Backout: https://hg.mozilla.org/integration/fx-team/rev/c02225d14bb5 Push with failures: https://treeherder.mozilla.org/#/jobs?repo=fx-team&revision=5579b62017f2 21:00:07 INFO - 179 INFO TEST-PASS | browser/components/privatebrowsing/test/browser/browser_privatebrowsing_windowtitle.js | The window title for http://mochi.test:8888/browser/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_windowtitle_page.html detached tab is correct (inside private browsing mode) - 21:00:07 INFO - 180 INFO TEST-UNEXPECTED-FAIL | browser/components/privatebrowsing/test/browser/browser_privatebrowsing_windowtitle.js | Uncaught exception - undefined - timed out after 50 tries.