Handle multiple signin_internal_uis by using a linked_ptr

chrome/browser/ui/webui/signin_internals_ui.cc

Index: chrome/browser/ui/webui/signin_internals_ui.cc
diff --git a/chrome/browser/ui/webui/signin_internals_ui.cc b/chrome/browser/ui/webui/signin_internals_ui.cc
index eb6ccf742ce4230a67fcef789ea6452cf2c42457..702b5ec112d44c6b01624a5e0b54d354e694e4d0 100644
--- a/chrome/browser/ui/webui/signin_internals_ui.cc
+++ b/chrome/browser/ui/webui/signin_internals_ui.cc
@@ -79,13 +79,13 @@ bool SignInInternalsUI::OverrideHandleWebUIMessage(
 }
 
 void SignInInternalsUI::OnSigninStateChanged(
-    scoped_ptr<base::DictionaryValue> info) {
+    const base::DictionaryValue* info) {
   web_ui()->CallJavascriptFunction(
       "chrome.signin.onSigninInfoChanged.fire", *info);
 }
 
 void SignInInternalsUI::OnCookieAccountsFetched(
-    scoped_ptr<base::DictionaryValue> info) {
+    const base::DictionaryValue* info) {
   web_ui()->CallJavascriptFunction(
       "chrome.signin.onCookieAccountsFetched.fire", *info);
 }