Add experimental versions of the SSL interstitial

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 95a3de22e7b1fff58193840604cea8539289e7c5..beb13ee1eee2a5f0b3901ed52561498f80237084 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -9320,6 +9320,9 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_SSL_OVERRIDABLE_PROCEED_PARAGRAPH" desc="The text for the paragraph at the bottom with the proceed link.">
         <ph name="BEGIN_LINK">&lt;a href="#" id="proceed-link"&gt;</ph>Proceed to <ph name="SITE">$1<ex>example.com</ex></ph> (unsafe)<ph name="END_LINK">&lt;/a&gt;</ph>
       </message>
+      <message name="IDS_SSL_OVERRIDABLE_PROCEED_LINK_TEXT" desc="Just the proceed link text.">
+        Proceed to the site (unsafe)
+      </message>
 
       <!-- SSL Interstitial V2: Non-overridable -->
       <message name="IDS_SSL_NONOVERRIDABLE_RELOAD_BUTTON" desc="The text for the button that reloads the page.">
@@ -14411,6 +14414,12 @@ Do you accept?
     <message name="IDS_FLAGS_SSL_INTERSTITIAL_VERSION_V2_COLORFUL" desc="The new interstitial, with a colorful background">
       New version, with colorful background
     </message>
+    <message name="IDS_FLAGS_SSL_INTERSTITIAL_VERSION_V1_V2" desc="The old layout, with the new text">
+      Old layout with new text
+    </message>
+    <message name="IDS_FLAGS_SSL_INTERSTITIAL_VERSION_GUARD" desc="The new version, with a guard">
+      New version, with guard image
+    </message>
 
     <!-- Malware interstitial V3 experiment -->
     <message name="IDS_FLAGS_MALWARE_INTERSTITIAL_TRIAL_NAME" desc="Name of the about:flags malware interstitial v3 experiment">