Add base namespace to more values in sync and elsewhere.

sync/engine/traffic_recorder_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sync/engine/traffic_recorder.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
 #include "base/values.h"
 #include "sync/protocol/sync.pb.h"
@@ skipping 91 matching lines @@
 // Ensure that timestamp is added to ListValue of DictionaryValues in ToValue().
 TEST(TrafficRecorderTest, ToValueTimestampTest) {
   sync_pb::ClientToServerResponse response;
   base::Time sample_time = ProtoTimeToTime(GG_INT64_C(135948467665932));
   std::string expect_time_str = GetTimeDebugString(sample_time);
 
   TestTrafficRecorder recorder(kMaxMessages, kMaxMessageSize);
   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));
   EXPECT_TRUE(record_value->GetString("timestamp", &time_str));
   EXPECT_EQ(expect_time_str, time_str);
 }
 
 }  // namespace syncer