Add base namespace to more values in sync and elsewhere.

sync/internal_api/public/engine/model_safe_worker_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/internal_api/public/engine/model_safe_worker.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 namespace {
 
 class ModelSafeWorkerTest : public ::testing::Test {
 };
 
 TEST_F(ModelSafeWorkerTest, ModelSafeRoutingInfoToValue) {
   ModelSafeRoutingInfo routing_info;
   routing_info[BOOKMARKS] = GROUP_PASSIVE;
   routing_info[NIGORI] = GROUP_UI;
   routing_info[PREFERENCES] = GROUP_DB;
-  DictionaryValue expected_value;
+  base::DictionaryValue expected_value;
   expected_value.SetString("Bookmarks", "GROUP_PASSIVE");
   expected_value.SetString("Encryption keys", "GROUP_UI");
   expected_value.SetString("Preferences", "GROUP_DB");
-  scoped_ptr<DictionaryValue> value(
+  scoped_ptr<base::DictionaryValue> value(
       ModelSafeRoutingInfoToValue(routing_info));
   EXPECT_TRUE(value->Equals(&expected_value));
 }
 
 TEST_F(ModelSafeWorkerTest, ModelSafeRoutingInfoToString) {
   ModelSafeRoutingInfo routing_info;
   routing_info[BOOKMARKS] = GROUP_PASSIVE;
   routing_info[NIGORI] = GROUP_UI;
   routing_info[PREFERENCES] = GROUP_DB;
   EXPECT_EQ(
@@ skipping 22 matching lines @@
   ASSERT_EQ(routing_info.size(), invalidation_map.size());
   for (ModelSafeRoutingInfo::iterator iter = routing_info.begin();
        iter != routing_info.end();
        ++iter) {
     EXPECT_EQ(payload, invalidation_map[iter->first].payload);
   }
 }
 
 }  // namespace
 }  // namespace syncer