Bug 1724793 - Update casing of the toolbar overflow menu customize button. r=flod,fluent-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D122394

browser/components/customizableui/content/panelUI.inc.xhtml

@@ -22,8 +22,7 @@
       <toolbarbutton command="cmd_CustomizeToolbars"
                       id="overflowMenu-customize-button"
                       class="subviewbutton panel-subview-footer-button"
-                      accesskey="&overflowCustomizeToolbar.accesskey;"
-                      label="&overflowCustomizeToolbar.label;"/>
+                      data-l10n-id="toolbar-overflow-customize-button"/>
     </panelview>
   </panelmultiview>
   <!-- This menu is here because not having it in the menu in which it's used flickers

browser/locales/en-US/browser/browser.ftl

@@ -667,6 +667,10 @@ toolbar-settings-button =
      *[other] Open settings
   }
 
+toolbar-overflow-customize-button =
+  .label = Customize toolbar…
+  .accesskey = C
+
 ## EME notification panel
 
 eme-notifications-drm-content-playing = Some audio or video on this site uses DRM software, which may limit what { -brand-short-name } can let you do with it.

browser/locales/en-US/chrome/browser/browser.dtd

@@ -53,9 +53,6 @@ this container is a toolbar. This avoids double-speaking. -->
 <!ENTITY newNavigatorCmd.label        "New Window">
 <!ENTITY newPrivateWindow.label     "New Private Window">
 
-<!ENTITY overflowCustomizeToolbar.label       "Customize Toolbar…">
-<!ENTITY overflowCustomizeToolbar.accesskey   "C">
-
 <!ENTITY historyMenu.label "History">
 
 <!ENTITY appMenuHelp.label "Help">

python/l10n/fluent_migrations/bug_1724793_overflow_menu_customize_toolbar.py

@@ -0,0 +1,23 @@
+# 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
+
+
+def migrate(ctx):
+    """Bug 1724793 - Update casing of the toolbar overflow menu customize button. - part {index}"""
+    ctx.add_transforms(
+        "browser/browser/browser.ftl",
+        "browser/browser/browser.ftl",
+        transforms_from(
+            """
+toolbar-overflow-customize-button =
+    .label = { COPY(from_path, "overflowCustomizeToolbar.label") }
+    .accesskey = { COPY(from_path, "overflowCustomizeToolbar.accesskey") }
+""",
+            from_path="browser/chrome/browser/browser.dtd",
+        ),
+    )