Update chrome/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/extensions/blacklist.cc

Index: chrome/browser/extensions/blacklist.cc
diff --git a/chrome/browser/extensions/blacklist.cc b/chrome/browser/extensions/blacklist.cc
index 0fccd61e582b9dcd009120bf6566f32237fb0643..e6bea2a9752cd6e09eb84bff8c7ce7c564d66a1a 100644
--- a/chrome/browser/extensions/blacklist.cc
+++ b/chrome/browser/extensions/blacklist.cc
@@ -142,11 +142,11 @@ Blacklist::ScopedDatabaseManagerForTest::~ScopedDatabaseManagerForTest() {
 Blacklist::Blacklist(ExtensionPrefs* prefs) : prefs_(prefs) {
   scoped_refptr<SafeBrowsingDatabaseManager> database_manager =
       g_database_manager.Get().get();
-  if (database_manager) {
-    registrar_.Add(this,
-                   chrome::NOTIFICATION_SAFE_BROWSING_UPDATE_COMPLETE,
-                   content::Source<SafeBrowsingDatabaseManager>(
-                        database_manager));
+  if (database_manager.get()) {
+    registrar_.Add(
+        this,
+        chrome::NOTIFICATION_SAFE_BROWSING_UPDATE_COMPLETE,
+        content::Source<SafeBrowsingDatabaseManager>(database_manager.get()));
   }
 
   // TODO(kalman): Delete anything from the pref blacklist that is in the