clang/win: Fix a few warnings.

chrome/test/nacl/nacl_browsertest.cc

 // Copyright (c) 2012 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 <stdio.h>
 #if defined(OS_POSIX)
 #include <unistd.h>
 #elif defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 156 matching lines @@
 #endif
   snprintf(string_rep, sizeof string_rep, "%ld", nprocessors);
   return string_rep;
 }
 #elif defined(OS_WIN)
 base::FilePath::StringType NumberOfCoresAsFilePathString() {
   wchar_t string_rep[23];
   SYSTEM_INFO system_info;
   GetSystemInfo(&system_info);
 #if TELEMETRY
-  fprintf(stderr, "browser says nprocessors = %d\n",
+  fprintf(stderr, "browser says nprocessors = %lu\n",
           system_info.dwNumberOfProcessors);
   fflush(NULL);
 #endif
   _snwprintf_s(string_rep, sizeof string_rep / sizeof string_rep[0], _TRUNCATE,
                L"%u", system_info.dwNumberOfProcessors);
   return string_rep;
 }
 #endif
 
 #if TELEMETRY
@@ skipping 252 matching lines @@
 }
 
 // TODO(ncbray) support glibc and PNaCl
 // flaky: crbug.com/375894
 IN_PROC_BROWSER_TEST_F(NaClBrowserTestNewlibExtension, DISABLED_MimeHandler) {
   RunNaClIntegrationTest(FILE_PATH_LITERAL(
       "ppapi_extension_mime_handler.html"));
 }
 
 }  // namespace