Adds flag for TabGroupsSave

This patch adds a flag for TabGroupsSave which allows users to
explicitly save and recall tab groups.

Bug: 1223929
Change-Id: I8906de33553bcd47a2fd4e75ae94c8841c5bc93f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2998406
Commit-Queue: Alyssa Frederick <[email protected]>
Reviewed-by: Charlene Yan <[email protected]>
Cr-Commit-Position: refs/heads/master@{#898305}
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 4af02bf2..5c12e08 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -2515,6 +2515,10 @@
     "Causes a 'New' badge to appear on the entry point for creating a tab "
     "group in the tab context menu.";
 
+const char kTabGroupsSaveName[] = "Tab Groups Save";
+const char kTabGroupsSaveDescription[] =
+    "Enables users to explicitly save and recall tab groups.";
+
 const char kTabHoverCardImagesName[] = "Tab Hover Card Images";
 const char kTabHoverCardImagesDescription[] =
     "Shows a preview image in tab hover cards, if tab hover cards are enabled.";