Convert most of extensions and some other random stuff to using the base namespace for Values.

sync/engine/traffic_recorder_unittest.cc

Index: sync/engine/traffic_recorder_unittest.cc
diff --git a/sync/engine/traffic_recorder_unittest.cc b/sync/engine/traffic_recorder_unittest.cc
index 19d682ae7a8bde08f83aaaa32ffa3b4c4ce61e07..4928604a7b36eaddb2e5685ceb047e93800e6830 100644
--- a/sync/engine/traffic_recorder_unittest.cc
+++ b/sync/engine/traffic_recorder_unittest.cc
@@ -109,10 +109,10 @@ TEST(TrafficRecorderTest, ToValueTimestampTest) {
   recorder.set_time(sample_time);
   recorder.RecordClientToServerResponse(response);
 
-  scoped_ptr<ListValue> value;
+  scoped_ptr<base::ListValue> value;
   value.reset(recorder.ToValue());
 
-  DictionaryValue* record_value;
+  base::DictionaryValue* record_value;
   std::string time_str;
 
   ASSERT_TRUE(value->GetDictionary(0, &record_value));