Replace the use of CLD_DATA_FROM* and CLD-related ifdefs with runtime checks.

components/translate/content/common/component_cld_data_source.cc

 // Copyright 2014 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 "cld_data_source.h"
 
 namespace translate {
 
-  std::string CldDataSource::GetName() {
-    return "component";
-  }
+std::string CldDataSource::GetName() {
+  return "component";
+}
+
+bool CldDataSource::ShouldRegisterForComponentUpdates() {
+  return true;
+}
+
+bool CldDataSource::ShouldUseStandaloneDataFile() {
+  return false;
+}
 
 }  // namespace translate