Clean up a few more unused globals.

chrome/browser/ui/webui/ntp/ntp_resource_cache.cc

Index: chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
diff --git a/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc b/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
index 7594cbfd9ff927fc7ea8fa235a479b09a09c8a76..80d46dca2956ad4ac7518bfe74cc9247fb8e3b28 100644
--- a/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
+++ b/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
@@ -82,14 +82,6 @@ const char kLearnMoreIncognitoUrl[] =
 const char kLearnMoreGuestSessionUrl[] =
     "https://www.google.com/support/chromeos/bin/answer.py?answer=1057090";
 
-// The URL for bookmark sync service help.
-const char kSyncServiceHelpUrl[] =
-    "https://www.google.com/support/chrome/bin/answer.py?answer=165139";
-
-// The URL to be loaded to display Help.
-const char kHelpContentUrl[] =
-    "https://www.google.com/support/chrome/";
-
 string16 GetUrlWithLang(const GURL& url) {
   return ASCIIToUTF16(google_util::AppendGoogleLocaleParam(url).spec());
 }