Up the warnings in ipc (take 2)...

ipc/ipc_message_utils.cc

 // Copyright (c) 2009 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 "ipc/ipc_message_utils.h"
 
 #include "base/json/json_writer.h"
 #include "base/scoped_ptr.h"
 #include "base/time.h"
 #include "base/values.h"
@@ skipping 37 matching lines @@
       break;
     }
     case Value::TYPE_STRING: {
       std::string val;
       value->GetAsString(&val);
       WriteParam(m, val);
       break;
     }
     case Value::TYPE_BINARY: {
       const BinaryValue* binary = static_cast<const BinaryValue*>(value);
-      m->WriteData(binary->GetBuffer(), binary->GetSize());
+      m->WriteData(binary->GetBuffer(), static_cast<int>(binary->GetSize()));
       break;
     }
     case Value::TYPE_DICTIONARY: {
       const DictionaryValue* dict = static_cast<const DictionaryValue*>(value);
 
       WriteParam(m, static_cast<int>(dict->size()));
 
       for (DictionaryValue::key_iterator it = dict->begin_keys();
            it != dict->end_keys(); ++it) {
         Value* subval;
@@ skipping 163 matching lines @@
 
   return ReadListValue(m, iter, r, 0);
 }
 
 void ParamTraits<ListValue>::Log(const param_type& p, std::wstring* l) {
   std::string json;
   base::JSONWriter::Write(&p, false, &json);
   l->append(UTF8ToWide(json));
 }
 }  // namespace IPC