Bug 1730893 - [devtools profiler] Add a migration script for the localization changes r=flod

Differential Revision: https://phabricator.services.mozilla.com/D127828

python/l10n/fluent_migrations/bug_1730893_profiler_buttons.py

@@ -0,0 +1,29 @@
+# coding=utf8
+
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+from __future__ import absolute_import
+from fluent.migrate.helpers import transforms_from
+from fluent.migrate import COPY, COPY_PATTERN
+
+
+def migrate(ctx):
+    """Bug 1730893 - Localize the popup's button tooltip when changing state, part {index}"""
+    ctx.add_transforms(
+        "browser/browser/appmenu.ftl",
+        "browser/browser/appmenu.ftl",
+        transforms_from(
+            """
+profiler-popup-learn-more-button =
+    .label = { COPY_PATTERN(ftl_path, "profiler-popup-learn-more") }
+profiler-popup-edit-settings-button =
+    .label = { COPY_PATTERN(ftl_path, "profiler-popup-edit-settings") }
+profiler-popup-button-idle =
+    .label = { COPY(prop_path, "profiler-button.label") }
+    .tooltiptext = { COPY(prop_path, "profiler-button.tooltiptext") }
+""",
+            prop_path="browser/chrome/browser/customizableui/customizableWidgets.properties",
+            ftl_path="browser/browser/appmenu.ftl",
+        ),
+    )