Revive turndown strings on trunk for translation.

chrome/app/google_chrome_strings.grd

Index: chrome/app/google_chrome_strings.grd
diff --git a/chrome/app/google_chrome_strings.grd b/chrome/app/google_chrome_strings.grd
index 934be64f8c65cfa028c948273431fb4ecc6f4db0..50b88326e461599bab6ca97fe6a909712deb1691 100644
--- a/chrome/app/google_chrome_strings.grd
+++ b/chrome/app/google_chrome_strings.grd
@@ -179,6 +179,15 @@ Chrome supports. -->
         <message name="IDS_PRODUCT_BINARIES_NAME" desc="The Chrome Binaries application name">
           Google Chrome Binaries
         </message>
+        <message name="IDS_CHROME_FRAME_TURNDOWN_LEARN_MORE_URL" desc="Link to knowledge-base article about Chrome Frame turndown">
+          http://support.google.com/chrome/?p=ib_chromeframe
+        </message>
+        <message name="IDS_CHROME_FRAME_TURNDOWN_TEXT_IE_OLDER" desc="Text of Chrome Frame turndown prompt for IE 6, 7, and 8">
+          This site is using the retired Chrome Frame plug-in which no longer receives security and stability updates. Please uninstall it and upgrade to a modern browser.
+        </message>
+        <message name="IDS_CHROME_FRAME_TURNDOWN_TEXT_IE_NEWER" desc="Text of Chrome Frame turndown prompt for IE 9 and 10">
+          This site is using the retired Chrome Frame plug-in which no longer receives security and stability updates. Please uninstall it and upgrade to a modern browser.
+        </message>
         <message name="IDS_SHORTCUT_NEW_WINDOW" desc="The text label of the New window shortcut context menu entry as of Windows 8">
           New window
         </message>