3 files changed, 2 insertions, 36 deletions
diff --git a/remote/marionette/actors/MarionetteCommandsChild.sys.mjs b/remote/marionette/actors/MarionetteCommandsChild.sys.mjs
index 078612da56..d454e03fb0 100644
--- a/remote/marionette/actors/MarionetteCommandsChild.sys.mjs
+++ b/remote/marionette/actors/MarionetteCommandsChild.sys.mjs
@@ -284,7 +284,7 @@ export class MarionetteCommandsChild extends JSWindowActorChild {
 
     const accessible = await lazy.accessibility.getAccessible(elem);
     if (!accessible) {
-      return null;
+      return "";
     }
 
     // If name is null (absent), expose the empty string.
diff --git a/remote/marionette/browser.sys.mjs b/remote/marionette/browser.sys.mjs
index d9a867fac5..397bb75a1e 100644
--- a/remote/marionette/browser.sys.mjs
+++ b/remote/marionette/browser.sys.mjs
@@ -145,23 +145,6 @@ browser.Context = class {
   }
 
   /**
-   * Retrieves the current tabmodal UI object.  According to the browser
-   * associated with the currently selected tab.
-   */
-  getTabModal() {
-    let br = this.contentBrowser;
-    if (!br.hasAttribute("tabmodalPromptShowing")) {
-      return null;
-    }
-
-    // The modal is a direct sibling of the browser element.
-    // See tabbrowser.xml's getTabModalPromptBox.
-    let modalElements = br.parentNode.getElementsByTagName("tabmodalprompt");
-
-    return br.tabModalPromptBox.getPrompt(modalElements[0]);
-  }
-
-  /**
    * Close the current window.
    *
    * @returns {Promise}
@@ -254,7 +237,7 @@ browser.Context = class {
       tab = await lazy.TabManager.addTab({ focus, window: this.window });
     } else if (lazy.AppInfo.isFirefox) {
       const opened = new lazy.EventPromise(this.window, "TabOpen");
-      this.window.BrowserOpenTab({ url: "about:blank" });
+      this.window.BrowserCommands.openTab({ url: "about:blank" });
       await opened;
 
       tab = this.tabBrowser.selectedTab;
diff --git a/remote/marionette/driver.sys.mjs b/remote/marionette/driver.sys.mjs
index f4642e756e..6b5b1cf082 100644
--- a/remote/marionette/driver.sys.mjs
+++ b/remote/marionette/driver.sys.mjs
@@ -3346,23 +3346,6 @@ GeckoDriver.prototype.setPermission = async function (cmd) {
   const { descriptor, state, oneRealm = false } = cmd.parameters;
   const browsingContext = lazy.assert.open(this.getBrowsingContext());
 
-  // XXX: WPT should not have these but currently they do and we pass testing pref to
-  // pass them, see bug 1875837.
-  if (
-    ["clipboard-read", "clipboard-write"].includes(descriptor.name) &&
-    state === "granted"
-  ) {
-    if (
-      Services.prefs.getBoolPref("dom.events.testing.asyncClipboard", false)
-    ) {
-      // Okay, do nothing. The clipboard module will work without permission.
-      return;
-    }
-    throw new lazy.error.UnsupportedOperationError(
-      "setPermission: expected dom.events.testing.asyncClipboard to be set"
-    );
-  }
-
   // XXX: We currently depend on camera/microphone tests throwing UnsupportedOperationError,
   // the fix is ongoing in bug 1609427.
   if (["camera", "microphone"].includes(descriptor.name)) {