IndexedDB: Numeric keys are floating point.

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 40 matching lines @@
   // TODO(jorlow): Technically, we only need to pack the type being used.
   WriteParam(m, p.string());
   WriteParam(m, p.number());
 }
 
 bool ParamTraits<IndexedDBKey>::Read(const Message* m,
                                      void** iter,
                                      param_type* r) {
   int type;
   string16 string;
-  int32 number;
+  double number;
   bool ok =
       ReadParam(m, iter, &type) &&
       ReadParam(m, iter, &string) &&
       ReadParam(m, iter, &number);
   if (!ok)
     return false;
   switch (type) {
     case WebKit::WebIDBKey::NullType:
       r->SetNull();
       return true;
@@ skipping 15 matching lines @@
   l->append("<IndexedDBKey>(");
   LogParam(int(p.type()), l);
   l->append(", ");
   LogParam(p.string(), l);
   l->append(", ");
   LogParam(p.number(), l);
   l->append(")");
 }
 
 }  // namespace IPC