Remove base::StringValue

components/sync/syncable/syncable_id.h

Index: components/sync/syncable/syncable_id.h
diff --git a/components/sync/syncable/syncable_id.h b/components/sync/syncable/syncable_id.h
index df746808d1dbe2ad088c10074980403ab9a79fb7..100244b07267d7454a0cf09c3046883814aafb21 100644
--- a/components/sync/syncable/syncable_id.h
+++ b/components/sync/syncable/syncable_id.h
@@ -16,7 +16,6 @@
 
 namespace base {
 class Value;
-using StringValue = Value;
 }  // namespace base
 
 namespace sql {
@@ -72,7 +71,7 @@ class Id {
 
   // Dumps the ID as a value and returns it.  Transfers ownership of
   // the StringValue to the caller.
-  base::StringValue* ToValue() const;
+  base::Value* ToValue() const;
 
   // Three functions are used to work with our proto buffers.
   std::string GetServerId() const;