4 files changed, 4 insertions, 33 deletions
diff --git a/devtools/client/styleeditor/StyleEditorUI.sys.mjs b/devtools/client/styleeditor/StyleEditorUI.sys.mjs
index d48c50f556..e00a88c3ad 100644
--- a/devtools/client/styleeditor/StyleEditorUI.sys.mjs
+++ b/devtools/client/styleeditor/StyleEditorUI.sys.mjs
@@ -1576,7 +1576,7 @@ export class StyleEditorUI extends EventEmitter {
 
   // onAvailable is a mandatory argument for watchTargets,
   // but we don't do anything when a new target gets created.
-  #onTargetAvailable = ({ targetFront }) => {};
+  #onTargetAvailable = () => {};
 
   #onTargetDestroyed = ({ targetFront }) => {
     // Iterate over a copy of the list in order to prevent skipping
diff --git a/devtools/client/styleeditor/StyleEditorUtil.sys.mjs b/devtools/client/styleeditor/StyleEditorUtil.sys.mjs
index 739dc55fc5..11dae675d9 100644
--- a/devtools/client/styleeditor/StyleEditorUtil.sys.mjs
+++ b/devtools/client/styleeditor/StyleEditorUtil.sys.mjs
@@ -51,23 +51,6 @@ export function getString(name) {
 }
 
 /**
- * Assert an expression is true or throw if false.
- *
- * @param expression
- * @param message
- *        Optional message.
- * @return expression
- */
-export function assert(expression, message) {
-  if (!expression) {
-    const msg = message ? "ASSERTION FAILURE:" + message : "ASSERTION FAILURE";
-    log(msg);
-    throw new Error(msg);
-  }
-  return expression;
-}
-
-/**
  * Retrieve or set the text content of an element.
  *
  * @param DOMElement root
@@ -94,18 +77,6 @@ export function text(root, selector, textContent) {
 }
 
 /**
- * Log a message to the console.
- *
- * @param ...rest
- *        One or multiple arguments to log.
- *        If multiple arguments are given, they will be joined by " "
- *        in the log.
- */
-export function log() {
-  console.logStringMessage(Array.prototype.slice.call(arguments).join(" "));
-}
-
-/**
  * Show file picker and return the file user selected.
  *
  * @param mixed file
@@ -171,7 +142,7 @@ export function showFilePicker(
     fp.defaultString = suggestedFilename;
   }
 
-  fp.init(parentWindow, getString(key + ".title"), mode);
+  fp.init(parentWindow.browsingContext, getString(key + ".title"), mode);
   fp.appendFilter(getString(key + ".filter"), "*.css");
   fp.appendFilters(fp.filterAll);
   fp.open(fpCallback);
diff --git a/devtools/client/styleeditor/StyleSheetEditor.sys.mjs b/devtools/client/styleeditor/StyleSheetEditor.sys.mjs
index d84854a0ae..bf43bf0268 100644
--- a/devtools/client/styleeditor/StyleSheetEditor.sys.mjs
+++ b/devtools/client/styleeditor/StyleSheetEditor.sys.mjs
@@ -274,7 +274,7 @@ StyleSheetEditor.prototype = {
    *
    * This will set |this._state.text| to the new text.
    */
-  async _fetchSourceText(options = {}) {
+  async _fetchSourceText() {
     const styleSheetsFront = await this._getStyleSheetsFront();
 
     let longStr = null;
diff --git a/devtools/client/styleeditor/test/iframe_with_service_worker.html b/devtools/client/styleeditor/test/iframe_with_service_worker.html
index 690515775e..b66e1e74a8 100644
--- a/devtools/client/styleeditor/test/iframe_with_service_worker.html
+++ b/devtools/client/styleeditor/test/iframe_with_service_worker.html
@@ -12,7 +12,7 @@ function waitForActive(swr) {
       resolve(swr);
       return;
     }
-    sw.addEventListener("statechange", function onStateChange(evt) {
+    sw.addEventListener("statechange", function onStateChange() {
       if (sw.state === "activated") {
         sw.removeEventListener("statechange", onStateChange);
         resolve(swr);