As far as I can tell this is used for two things (https://searchfox.org/mozilla-central/search?q=nsIDOMXULTextboxElement&path=) 1) In a few JS callers via instanceof checks 2) In nsFocusManager::GetRedirectedFocus to get the `inputField` attribute from JS (which evaluates to the HTML input/textarea tag in the XBL anon content). For (1) we should be able to swap them out with tag name checks, and for (2) we should be able to directly reach into the anon content to get the HTML tag. Once it's gone we can stop having the textbox (and child bindings) implement it.

Comment on attachment 8970789 [details] Bug 1456703 - Stop using nsIDOMXULTextBoxElement to detect XUL textboxes https://reviewboard.mozilla.org/r/239552/#review245760 ::: toolkit/modules/sessionstore/FormData.jsm:208 (Diff revision 1) > continue; > } > > if (node instanceof Ci.nsIDOMHTMLInputElement || > ChromeUtils.getClassName(node) === "HTMLTextAreaElement" || > - node instanceof Ci.nsIDOMXULTextBoxElement) { > + node.localName == "textbox") { This should check the namespace

Comment on attachment 8970790 [details] Bug 1456703 - Remove nsIDOMXULTextBoxElement https://reviewboard.mozilla.org/r/239554/#review245762

Will rebase around Bug 1456588 which is on inbound

We're sorry, Autoland could not rebase your commits for you automatically. Please manually rebase your commits and try again. hg error in cmd: hg rebase -s b22f31de49a87949c0625cda8d72c0a46cd21b13 -d 356d8af4a2b9: rebasing 460639:b22f31de49a8 "Bug 1456703 - Stop using nsIDOMXULTextBoxElement to detect XUL textboxes r=enndeakin+6102" rebasing 460640:47ac4dd8a607 "Bug 1456703 - Remove nsIDOMXULTextBoxElement r=enndeakin+6102" (tip) other [source] changed dom/interfaces/xul/nsIDOMXULTreeElement.idl which local [dest] deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging dom/interfaces/xul/moz.build warning: conflicts while merging dom/interfaces/xul/moz.build! (edit, then use 'hg resolve --mark') unresolved conflicts (see hg resolve, then hg rebase --continue)

Pushed by bgrinstead@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/3e0ca85e6970 Stop using nsIDOMXULTextBoxElement to detect XUL textboxes r=enndeakin+6102 https://hg.mozilla.org/integration/autoland/rev/ef26c0022369 Remove nsIDOMXULTextBoxElement r=enndeakin+6102

https://hg.mozilla.org/mozilla-central/rev/3e0ca85e6970 https://hg.mozilla.org/mozilla-central/rev/ef26c0022369