Add new instant extended specific pref.

chrome/browser/resources/options/browser_options.html

Index: chrome/browser/resources/options/browser_options.html
diff --git a/chrome/browser/resources/options/browser_options.html b/chrome/browser/resources/options/browser_options.html
index dc3026bb209cddba7d5082ddb92fc1c377aa0be8..b43ab1cc9f084647b5e8e4d5fb4fe603da07a652 100644
--- a/chrome/browser/resources/options/browser_options.html
+++ b/chrome/browser/resources/options/browser_options.html
@@ -146,16 +146,15 @@
           <span class="controlled-setting-with-label">
             <!-- TODO(estade): metric? -->
             <input id="instant-enabled-control" type="checkbox"
-                pref="instant.enabled" dialog-pref>
-            <span>

[Evan Stade, 2012/12/08 23:45:22]

why did you delete this

[MAD, 2012/12/09 00:27:10]

Oupsss... Sorry didn't notice... It's a mistake...

+                i18n-values="pref:instant_enabled" dialog-pref>
               <!-- TODO(estade) There's a link in here which should not be
                    inside a <label>. -->
               <label for="instant-enabled-control"
                   i18n-values=".innerHTML:instantPrefAndWarning">
               </label>
               <span id="instant-enabled-indicator"
-                  class="controlled-setting-indicator" pref="instant.enabled"
-                  dialog-pref>
+                  class="controlled-setting-indicator"
+                  i18n-values="pref:instant_enabled" dialog-pref>
               </span>
             </span>
           </span>