Re-land 69416 - IndexedDB: Preparatory patch for using Date objects as keys....

chrome/common/indexed_db_param_traits.cc

 // Copyright (c) 2010 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 "chrome/common/indexed_db_param_traits.h"
 
 #include "chrome/common/indexed_db_key.h"
 #include "chrome/common/serialized_script_value.h"
 #include "ipc/ipc_message_utils.h"
 
@@ skipping 60 matching lines @@
       return true;
     case WebKit::WebIDBKey::StringType:
       r->Set(string);
       return true;
     case WebKit::WebIDBKey::NumberType:
       r->Set(number);
       return true;
     case WebKit::WebIDBKey::InvalidType:
       r->SetInvalid();
       return true;
+    default:
+      // TODO(hans): Implement the WebIDBKey::DateType case once that is added
+      // WebKit side, and then remove this temporary default: clause.
+      r->SetInvalid();
+      return true;
   }
   NOTREACHED();
   return false;
 }
 
 void ParamTraits<IndexedDBKey>::Log(const param_type& p, std::string* l) {
   l->append("<IndexedDBKey>(");
   LogParam(int(p.type()), l);
   l->append(", ");
   LogParam(p.string(), l);
   l->append(", ");
   LogParam(p.number(), l);
   l->append(")");
 }
 
 }  // namespace IPC