Revive turndown strings on trunk for translation.

chrome/app/chromium_strings.grd

Index: chrome/app/chromium_strings.grd
diff --git a/chrome/app/chromium_strings.grd b/chrome/app/chromium_strings.grd
index 21869181a44e170f6d93e9790705953d1a119926..677dc7e0eb1b8b02da699f52a7b3e908b5070857 100644
--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
@@ -256,6 +256,15 @@ be available for now. -->
         <message name="IDS_PRODUCT_BINARIES_NAME" desc="The Chrome Binaries application name">
           Chromium Binaries
         </message>
+        <message name="IDS_CHROME_FRAME_TURNDOWN_LEARN_MORE_URL" desc="Link to knowledge-base article about Chromium Frame's turndown">
+          http://support.google.com/chrome/?p=ib_chromeframe
+        </message>
+        <message name="IDS_CHROME_FRAME_TURNDOWN_TEXT_IE_OLDER" desc="Text of Chromium Frame turndown prompt for IE 6, 7, and 8">
+          This site is using the Chromium Frame plug-in which will soon be unsupported. Please uninstall it and upgrade to a modern browser.
+        </message>
+        <message name="IDS_CHROME_FRAME_TURNDOWN_TEXT_IE_NEWER" desc="Text of Chromium Frame turndown prompt for IE 9 and 10">
+          This site is using the Chromium Frame plug-in that will soon be unsupported. Please uninstall it and download a compatible 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>