Type conversion fixes, components/ edition.

components/nacl/loader/nacl_listener.cc

 // Copyright 2013 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 "components/nacl/loader/nacl_listener.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 190 matching lines @@
                                                              &ipc_path))) {
       return false;
     }
     if (ipc_fd == IPC::InvalidPlatformFileForTransit()) {
       return false;
     }
     base::PlatformFile handle =
         IPC::PlatformFileForTransitToPlatformFile(ipc_fd);
 #if defined(OS_WIN)
     // On Windows, valid handles are 32 bit unsigned integers so this is safe.
-    *fd = reinterpret_cast<uintptr_t>(handle);
+    *fd = reinterpret_cast<int32>(handle);
 #else
     *fd = handle;
 #endif
     // It doesn't matter if the path is invalid UTF8 as long as it's consistent
     // and unforgeable.
     *path = ipc_path.AsUTF8Unsafe();
     return true;
   }
 
  private:
@@ skipping 269 matching lines @@
 }
 
 void NaClListener::OnFileTokenResolved(
     uint64_t token_lo,
     uint64_t token_hi,
     IPC::PlatformFileForTransit ipc_fd,
     base::FilePath file_path) {
   resolved_cb_.Run(ipc_fd, file_path);
   resolved_cb_.Reset();
 }