net: Use operator!= from scoped_ptr to check if |db_| is NULL.

chrome/browser/net/sqlite_persistent_cookie_store.cc

Index: chrome/browser/net/sqlite_persistent_cookie_store.cc
diff --git a/chrome/browser/net/sqlite_persistent_cookie_store.cc b/chrome/browser/net/sqlite_persistent_cookie_store.cc
index 009c595807d6320351ac10c1a7e2bb1ccaf6ec42..9da57675666f0d06c5ed5a0c3a4f3fa1bee82c38 100644
--- a/chrome/browser/net/sqlite_persistent_cookie_store.cc
+++ b/chrome/browser/net/sqlite_persistent_cookie_store.cc
@@ -462,7 +462,7 @@ bool SQLitePersistentCookieStore::Backend::InitializeDatabase() {
   if (initialized_) {
     // Return false if we were previously initialized but the DB has since been
     // closed.
-    return db_.get() ? true : false;
+    return db_ != NULL;
   }
 
   base::Time start = base::Time::Now();