Bug 1443866 - Use TestUtils.waitForCondition in browser_devices_get_user_media_multi_process.js. r=johannh

browser/base/content/test/webrtc/browser_devices_get_user_media_multi_process.js

@@ -89,7 +89,7 @@ var gTests = [
     await BrowserTestUtils.removeTab(tab);
 
     // Check that we still show the sharing indicators for the first tab's stream.
-    await promiseWaitForCondition(() => !webrtcUI.showCameraIndicator);
+    await TestUtils.waitForCondition(() => !webrtcUI.showCameraIndicator);
     ok(webrtcUI.showGlobalIndicator, "webrtcUI wants the global indicator shown");
     ok(!webrtcUI.showCameraIndicator, "webrtcUI wants the camera indicator hidden");
     ok(webrtcUI.showMicrophoneIndicator, "webrtcUI wants the mic indicator shown");
@@ -192,7 +192,7 @@ var gTests = [
     await BrowserTestUtils.removeTab(tab);
 
     // Check that we still show the sharing indicators for the first tab's stream.
-    await promiseWaitForCondition(() => webrtcUI.showCameraIndicator);
+    await TestUtils.waitForCondition(() => webrtcUI.showCameraIndicator);
     ok(webrtcUI.showGlobalIndicator, "webrtcUI wants the global indicator shown");
     ok(webrtcUI.showCameraIndicator, "webrtcUI wants the camera indicator shown");
     ok(!webrtcUI.showMicrophoneIndicator, "webrtcUI wants the mic indicator hidden");