Fill on account select in the password manager

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 98748adabb4a3883751f5c37167abb6f6462ab20..fdd0b81858b883969f141fd97a6c82d89822fc00 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -7454,6 +7454,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
       </message>
 
       <!-- Password Manager -->
+      <message name="IDS_ENABLE_FILL_ON_ACCOUNT_SELECT_NAME" desc="Name of the experiment for the password manager to fill on account selection rather than page load">
+        Enable fill passwords on account selection
+      </message>
+      <message name="IDS_ENABLE_FILL_ON_ACCOUNT_SELECT_DESCRIPTION" desc="Description of the experiment for the password manager to fill on account selection rather than page load">
+        Enables filling of passwords when an account is explicitly selected by the user rather than autofilling credentials on page load.
+      </message>
       <if expr="not is_android">
         <message name="IDS_PASSWORD_MANAGER_SAVE_BUTTON" desc="Save button text for password manager">
           Save password