Localize the title string for transient sidebar bookmarks loaded via _search.

browser/base/content/browser.js

@@ -3899,7 +3899,7 @@ function asyncOpenWebPanel(event)
        else if (target == "_search") {
          // Used in WinIE as a way of transiently loading pages in a sidebar.  We
          // mimic that WinIE functionality here and also load the page transiently.
-         openWebPanel("Search Companion", linkNode.href);
+         openWebPanel(gNavigatorBundle.getString("webPanels"), linkNode.href);
          event.preventDefault();
          return false;
        }

browser/base/locale/browser.properties

@@ -67,3 +67,6 @@ filesFolder=%S_files
 saveLinkErrorMsg=The link could not be saved.  The web page might have been removed or had its name changed.
 saveLinkErrorTitle=Save Link
 addEngines=Add engines...
+
+# Default name for the Web Panels sidebar
+webPanels=Web Panels