Add scoped_ptr-safe base::Value to Dictionary/List conversion functions.

extensions/browser/api/sockets_tcp_server/sockets_tcp_server_apitest.cc

Index: extensions/browser/api/sockets_tcp_server/sockets_tcp_server_apitest.cc
diff --git a/extensions/browser/api/sockets_tcp_server/sockets_tcp_server_apitest.cc b/extensions/browser/api/sockets_tcp_server/sockets_tcp_server_apitest.cc
index 3414f36768d3e0fae85f868af68cfc9702db8959..8811c2ec52479dda9b3b34de56f5a75ea1866900 100644
--- a/extensions/browser/api/sockets_tcp_server/sockets_tcp_server_apitest.cc
+++ b/extensions/browser/api/sockets_tcp_server/sockets_tcp_server_apitest.cc
@@ -62,8 +62,8 @@ IN_PROC_BROWSER_TEST_F(SocketsTcpServerApiTest, SocketTCPCreateGood) {
       api_test_utils::RunFunctionAndReturnSingleResult(
           socket_create_function.get(), "[]", browser_context()));
   ASSERT_EQ(base::Value::TYPE_DICTIONARY, result->GetType());
-  base::DictionaryValue* value =
-      static_cast<base::DictionaryValue*>(result.get());
+  scoped_ptr<base::DictionaryValue> value =
+      base::DictionaryValue::From(result.Pass());
   int socketId = -1;
   EXPECT_TRUE(value->GetInteger("socketId", &socketId));
   ASSERT_TRUE(socketId > 0);