Remove duplicate definition of Protocol Handler support URL

chrome/browser/ui/webui/options/handler_options_handler.cc

Index: chrome/browser/ui/webui/options/handler_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/handler_options_handler.cc b/chrome/browser/ui/webui/options/handler_options_handler.cc
index b50d7d649811cf70c0f457b41e8399d13b78cf15..10bee919361923192e218343302f81052388874f 100644
--- a/chrome/browser/ui/webui/options/handler_options_handler.cc
+++ b/chrome/browser/ui/webui/options/handler_options_handler.cc
@@ -14,19 +14,13 @@
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/google/core/browser/google_util.h"
 #include "content/public/browser/web_ui.h"
 
 namespace options {
 
-namespace {
-
-const char kHandlersLearnMoreUrl[] =
-    "https://support.google.com/chrome/answer/1382847";
-
-}  // namespace
-
 HandlerOptionsHandler::HandlerOptionsHandler() {
 }
 
@@ -53,7 +47,7 @@ void HandlerOptionsHandler::GetLocalizedValues(
   RegisterStrings(localized_strings, resources, arraysize(resources));
 
   localized_strings->SetString("handlers_learn_more_url",
-                               kHandlersLearnMoreUrl);
+                               chrome::kLearnMoreRegisterProtocolHandlerURL);
 }
 
 void HandlerOptionsHandler::InitializeHandler() {