Remove implicit conversions from scoped_refptr to T* in chrome/browser/extensions/api/

chrome/browser/extensions/api/bookmarks/bookmarks_api.cc

Index: chrome/browser/extensions/api/bookmarks/bookmarks_api.cc
diff --git a/chrome/browser/extensions/api/bookmarks/bookmarks_api.cc b/chrome/browser/extensions/api/bookmarks/bookmarks_api.cc
index 1654dd73f3e8008b5f83d0b00267c1378c191524..18bb62fd53b3ba7186bfae04f73f56e579607c6e 100644
--- a/chrome/browser/extensions/api/bookmarks/bookmarks_api.cc
+++ b/chrome/browser/extensions/api/bookmarks/bookmarks_api.cc
@@ -102,7 +102,7 @@ bool IsEnhancedBookmarksExtensionActive(Profile* profile) {
       ExtensionRegistry::Get(profile)->enabled_extensions();
   for (ExtensionSet::const_iterator it = extensions.begin();
        it != extensions.end(); ++it) {
-    const Extension* extension = *it;
+    const Extension* extension = it->get();
     if (extension->permissions_data()->HasAPIPermission(
             APIPermission::kBookmarkManagerPrivate)) {
       std::string hash = base::SHA1HashString(extension->id());