Use the exact-width integer types defined in <stdint.h> rather than

net/cert/test_root_certs_android.cc

 // Copyright (c) 2011 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 "net/cert/test_root_certs.h"
 
 #include "base/location.h"
 #include "base/logging.h"
 #include "net/android/network_library.h"
 #include "net/cert/x509_certificate.h"
 
 namespace net {
 
 bool TestRootCerts::Add(X509Certificate* certificate) {
   std::string cert_bytes;
   if (!X509Certificate::GetDEREncoded(certificate->os_cert_handle(),
                                       &cert_bytes))
       return false;
   android::AddTestRootCertificate(
-      reinterpret_cast<const uint8*>(cert_bytes.data()), cert_bytes.size());
+      reinterpret_cast<const uint8_t*>(cert_bytes.data()), cert_bytes.size());
   empty_ = false;
   return true;
 }
 
 void TestRootCerts::Clear() {
   if (empty_)
     return;
 
   android::ClearTestRootCertificates();
   empty_ = true;
 }
 
 bool TestRootCerts::IsEmpty() const {
   return empty_;
 }
 
 TestRootCerts::~TestRootCerts() {}
 
 void TestRootCerts::Init() {
   empty_ = true;
 }
 
 }  // namespace net