Add base namespace to more values in sync and elsewhere.

sync/internal_api/js_sync_manager_observer_unittest.cc

Index: sync/internal_api/js_sync_manager_observer_unittest.cc
diff --git a/sync/internal_api/js_sync_manager_observer_unittest.cc b/sync/internal_api/js_sync_manager_observer_unittest.cc
index 40c71be3dccaf8f3ace23a0f84d7eecd3b0d4db7..56580f4f5a9261ece2fc00248c4c7e9ad41e9881 100644
--- a/sync/internal_api/js_sync_manager_observer_unittest.cc
+++ b/sync/internal_api/js_sync_manager_observer_unittest.cc
@@ -56,7 +56,7 @@ TEST_F(JsSyncManagerObserverTest, NoArgNotifiations) {
 }
 
 TEST_F(JsSyncManagerObserverTest, OnInitializationComplete) {
-  DictionaryValue expected_details;
+  base::DictionaryValue expected_details;
   syncer::ModelTypeSet restored_types;
   restored_types.Put(BOOKMARKS);
   restored_types.Put(NIGORI);
@@ -88,7 +88,7 @@ TEST_F(JsSyncManagerObserverTest, OnSyncCycleCompleted) {
       base::Time::Now(),
       std::vector<int>(MODEL_TYPE_COUNT, 0),
       std::vector<int>(MODEL_TYPE_COUNT, 0));
-  DictionaryValue expected_details;
+  base::DictionaryValue expected_details;
   expected_details.Set("snapshot", snapshot.ToValue());
 
   EXPECT_CALL(mock_js_event_handler_,
@@ -103,7 +103,7 @@ TEST_F(JsSyncManagerObserverTest, OnActionableError) {
   SyncProtocolError sync_error;
   sync_error.action = CLEAR_USER_DATA_AND_RESYNC;
   sync_error.error_type = TRANSIENT_ERROR;
-  DictionaryValue expected_details;
+  base::DictionaryValue expected_details;
   expected_details.Set("syncError", sync_error.ToValue());
 
   EXPECT_CALL(mock_js_event_handler_,
@@ -117,7 +117,7 @@ TEST_F(JsSyncManagerObserverTest, OnActionableError) {
 
 TEST_F(JsSyncManagerObserverTest, OnConnectionStatusChange) {
   const ConnectionStatus kStatus = CONNECTION_AUTH_ERROR;
-  DictionaryValue expected_details;
+  base::DictionaryValue expected_details;
   expected_details.SetString("status",
                              ConnectionStatusToString(kStatus));
 
@@ -130,9 +130,9 @@ TEST_F(JsSyncManagerObserverTest, OnConnectionStatusChange) {
 }
 
 TEST_F(JsSyncManagerObserverTest, SensitiveNotifiations) {
-  DictionaryValue redacted_token_details;
+  base::DictionaryValue redacted_token_details;
   redacted_token_details.SetString("token", "<redacted>");
-  DictionaryValue redacted_bootstrap_token_details;
+  base::DictionaryValue redacted_bootstrap_token_details;
   redacted_bootstrap_token_details.SetString("bootstrapToken", "<redacted>");
 
   EXPECT_CALL(mock_js_event_handler_,