Revert of Stop passing raw pointers to base::Value API in c/b/ui

chrome/browser/ui/webui/identity_internals_ui.cc

Index: chrome/browser/ui/webui/identity_internals_ui.cc
diff --git a/chrome/browser/ui/webui/identity_internals_ui.cc b/chrome/browser/ui/webui/identity_internals_ui.cc
index d519d8ab6d9ab160b56f1e397a2667a6495636d0..1d6fe85271488bd6d47d6ccc4ed9030ca4ba5c6c 100644
--- a/chrome/browser/ui/webui/identity_internals_ui.cc
+++ b/chrome/browser/ui/webui/identity_internals_ui.cc
@@ -66,7 +66,7 @@
   // Gets a list of scopes specified in |token_cache_key| and returns a pointer
   // to a ListValue containing the scopes. The caller gets ownership of the
   // returned object.
-  std::unique_ptr<base::ListValue> GetScopes(
+  base::ListValue* GetScopes(
       const extensions::ExtensionTokenKey& token_cache_key);
 
   // Gets a localized status of the access token in |token_cache_value|.
@@ -181,9 +181,9 @@
   return extension->name();
 }
 
-std::unique_ptr<base::ListValue> IdentityInternalsUIMessageHandler::GetScopes(
+base::ListValue* IdentityInternalsUIMessageHandler::GetScopes(
     const extensions::ExtensionTokenKey& token_cache_key) {
-  auto scopes_value = base::MakeUnique<base::ListValue>();
+  base::ListValue* scopes_value = new base::ListValue();
   for (std::set<std::string>::const_iterator
            iter = token_cache_key.scopes.begin();
        iter != token_cache_key.scopes.end(); ++iter) {