importer: Cleanup ToolbarImporter code a little bit.

chrome/browser/importer/toolbar_importer.h

Index: chrome/browser/importer/toolbar_importer.h
diff --git a/chrome/browser/importer/toolbar_importer.h b/chrome/browser/importer/toolbar_importer.h
index f8f3bde764db58d04d4bb1a4d483168f010c3633..c61bcea66cd4af45c4bd5491e2aaa43cebc3f140 100644
--- a/chrome/browser/importer/toolbar_importer.h
+++ b/chrome/browser/importer/toolbar_importer.h
@@ -24,13 +24,6 @@
 class ImporterBridge;
 class XmlReader;
 
-// Currently the only configuration information we need is to check whether or
-// not the user currently has their GAIA cookie.  This is done by the function
-// exposed through the ToolbarImportUtils namespace.
-namespace toolbar_importer_utils {
-bool IsGoogleGAIACookieInstalled();
-}
-
 // Toolbar5Importer is a class which exposes the functionality needed to
 // communicate with the Google Toolbar v5 front-end, negotiate the download of
 // Toolbar bookmarks, parse them, and install them on the client.