Add a new flag for Crostin multi container UI

Bug: 1261319
Change-Id: Id2c1ce7da73313284dfc07b19396dc8e8fd99d90
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3229294
Commit-Queue: Nicholas Verne <[email protected]>
Commit-Queue: Fergus Dall <[email protected]>
Auto-Submit: Nicholas Verne <[email protected]>
Reviewed-by: Fergus Dall <[email protected]>
Cr-Commit-Position: refs/heads/main@{#932875}
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 10c2e9f3..c3e3596 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -4257,6 +4257,10 @@
     "Uses LXD version 4 instead of the default version. WARNING: Once this is "
     "set you can't unset it without deleting your entire container";
 
+const char kCrostiniMultiContainerName[] = "Allow multiple Crostini containers";
+const char kCrostiniMultiContainerDescription[] =
+    "Experimental UI for creating and managing multiple Crostini containers";
+
 const char kDisableBufferBWCompressionName[] =
     "Disable buffer bandwidth compression";
 const char kDisableBufferBWCompressionDescription[] =