[Remote URL search] Add a chrome flag for remote URL search

This will be used to enable both the app discovery service code paths,
and any launcher integration.

Bug: 1244221
Change-Id: Ic71ad11fe0bedd23587b58011fa608acd02edee4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3126255
Commit-Queue: Tony Yeoman <[email protected]>
Reviewed-by: Rachel Wong <[email protected]>
Cr-Commit-Position: refs/heads/main@{#917060}
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 31fb096..c664d4e 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -3920,6 +3920,11 @@
 extern const char kAppDiscoveryForOobeDescription[] =
     "Use the App Discovery Service to request recommended apps for OOBE.";
 
+extern const char kAppDiscoveryRemoteUrlSearchName[] =
+    "Remote URL app discovery results";
+extern const char kAppDiscoveryRemoteUrlSearchDescription[] =
+    "Surface results from a URL in the app discovery service.";
+
 extern const char kAppListBubbleName[] =
     "Productivity experiment: App Launcher";
 extern const char kAppListBubbleDescription[] =