Fill on account select in the password manager behind a flag

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 569c69c3107aa3c6aba9aa2d4acfef9ff7c90fd0..273df162270c4a7bc16637f7cd3f50d9798c0df9 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -7553,6 +7553,12 @@ 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

[Ilya Sherman, 2014/12/11 23:28:55]

nit: Since you have a default/enable/disable switch, it make sense to drop
"Enable" from these strings.

[jww, 2014/12/12 00:17:43]

Done.

+      </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