Re-apply r23841 "During uninstall if Chrome is set as default"

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 08798da4ad97885b8fb31e6bfe9bdc36161218b8..212728288ecf86a2ab64f625fb41e539bdda280b 100644
--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
@@ -337,6 +337,12 @@ be available for now. -->
       <message name="IDS_UNINSTALL_DELETE_PROFILE" desc="Text to show user to ask whether to delete all the profile data also during uninstallation.">
         Also delete your browsing data?
       </message>
+      <message name="IDS_UNINSTALL_SET_DEFAULT_BROWSER" desc="Text to ask whether to set another browser as default when Chromium is uninstalled.">
+        Change default browser to:
+      </message>
+      <message name="IDS_UNINSTALL_BUTTON_TEXT" desc="Label for uninstall button on Uninstall confirmation dialog.">
+        Uninstall
+      </message>
       <message name="IDS_DEFAULT_BROWSER_INFOBAR_TEXT" desc="Text to show in the default browser query infobar.">
         Hooray, you're back! But Chromium isn't your default browser.
       </message>