Add a confirmation prompt to app uninstallation on the ntp.

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 60e1869ccbdcda7953214897fa80da6fa4fcf9c2..3c31381316e8ee149a84ab8ead910ac1be30083b 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -3410,9 +3410,6 @@ each locale. -->
       <message name="IDS_EXTENSION_UNINSTALL_PROMPT_HEADING" desc="First bold line in the content area of the extension uninstallation prompt. Asks the user if they want to uninstall a particular extension.">
         Uninstall "<ph name="EXTENSION_NAME">$1<ex>Gmail Checker</ex></ph>"?
       </message>
-      <message name="IDS_EXTENSION_UNINSTALL_CONFIRMATION" desc="The warning you get when you are about to uninstall an extension.">
-        Are you sure you want to uninstall this extension?
-      </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_BROWSER" desc="Warning displayed in body of extension dialog when the extension requires access to browser APIs.">
         This extension will have access to your browsing history.
       </message>