Separate SyncData methods into three groups, local, remote, and common.

sync/api/sync_change_unittest.cc

Index: sync/api/sync_change_unittest.cc
diff --git a/sync/api/sync_change_unittest.cc b/sync/api/sync_change_unittest.cc
index 8c2a7dd18bc95094958f1330181af3333d48ec7e..7d84a2a04a122be0033b0c8b23313d7929cf4b71 100644
--- a/sync/api/sync_change_unittest.cc
+++ b/sync/api/sync_change_unittest.cc
@@ -30,7 +30,7 @@ TEST_F(SyncChangeTest, LocalDelete) {
                change_type,
                SyncData::CreateLocalDelete(tag, PREFERENCES));
   EXPECT_EQ(change_type, e.change_type());
-  EXPECT_EQ(tag, e.sync_data().GetTag());
+  EXPECT_EQ(tag, e.sync_data().local().GetTag());
   EXPECT_EQ(PREFERENCES, e.sync_data().GetDataType());
 }
 
@@ -45,7 +45,7 @@ TEST_F(SyncChangeTest, LocalUpdate) {
                change_type,
                SyncData::CreateLocalData(tag, title, specifics));
   EXPECT_EQ(change_type, e.change_type());
-  EXPECT_EQ(tag, e.sync_data().GetTag());
+  EXPECT_EQ(tag, e.sync_data().local().GetTag());
   EXPECT_EQ(title, e.sync_data().GetTitle());
   EXPECT_EQ(PREFERENCES, e.sync_data().GetDataType());
   scoped_ptr<base::DictionaryValue> ref_spec(EntitySpecificsToValue(specifics));
@@ -65,7 +65,7 @@ TEST_F(SyncChangeTest, LocalAdd) {
                change_type,
                SyncData::CreateLocalData(tag, title, specifics));
   EXPECT_EQ(change_type, e.change_type());
-  EXPECT_EQ(tag, e.sync_data().GetTag());
+  EXPECT_EQ(tag, e.sync_data().local().GetTag());
   EXPECT_EQ(title, e.sync_data().GetTitle());
   EXPECT_EQ(PREFERENCES, e.sync_data().GetDataType());
   scoped_ptr<base::DictionaryValue> ref_spec(EntitySpecificsToValue(specifics));