Fix gcc 4.7 building problems - cont 2.

webkit/plugins/npapi/test/plugin_execute_stream_javascript.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 "webkit/plugins/npapi/test/plugin_execute_stream_javascript.h"
 
 #include "base/basictypes.h"
 #include "webkit/plugins/npapi/test/plugin_client.h"
 
 namespace NPAPIClient {
@@ skipping 19 matching lines @@
   if (stream == NULL) {
     SetError("Write got null stream");
     return -1;
   }
   if (len < 0 || len > kMaxLength) {
     SetError("Write got bogus stream chunk size");
     return -1;
   }
 
   std::string javascript("javascript:");
   javascript.append(static_cast<char*>(buffer), len);

[agl, 2012/07/25 20:32:34]

Not your fault, but while you're in the area: add a check that
javascript.length() == static_cast<uint32_t>(javascript.length()) and return an
error otherwise.

[Han, 2012/07/25 22:28:44]

Done.

 
-  NPString script_string = { javascript.c_str(), javascript.length() };
+  NPString script_string = { javascript.c_str(),
+                             static_cast<uint32_t>(javascript.length()) };
   NPObject *window_obj = NULL;
   NPAPIClient::PluginClient::HostFunctions()->getvalue(
       id(), NPNVWindowNPObject, &window_obj);
 
   NPVariant unused_result;
   NPAPIClient::PluginClient::HostFunctions()->evaluate(
       id(), window_obj, &script_string, &unused_result);
 
   return len;
 }
 
 NPError ExecuteStreamJavaScript::DestroyStream(NPStream *stream,
                                                NPError reason) {
   return NPERR_NO_ERROR;
 }
 
 } // namespace NPAPIClient