Revert 239759 "The comment in base64.h implies that base::Base64..."

trunk/src/remoting/host/pin_hash.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 "remoting/host/pin_hash.h"
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "remoting/protocol/authentication_method.h"
 #include "remoting/protocol/me2me_host_authenticator_factory.h"
 
 namespace remoting {
 
 std::string MakeHostPinHash(const std::string& host_id,
                             const std::string& pin) {
   std::string hash = protocol::AuthenticationMethod::ApplyHashFunction(
       protocol::AuthenticationMethod::HMAC_SHA256, host_id, pin);
   std::string hash_base64;
-  base::Base64Encode(hash, &hash_base64);
+  if (!base::Base64Encode(hash, &hash_base64)) {
+    LOG(FATAL) << "Base64Encode failed";
+  }
   return "hmac:" + hash_base64;
 }
 
 bool VerifyHostPinHash(const std::string& hash,
                        const std::string& host_id,
                        const std::string& pin) {
   remoting::protocol::SharedSecretHash hash_parsed;
   if (!hash_parsed.Parse(hash)) {
     LOG(FATAL) << "Invalid hash.";
     return false;
   }
   std::string hash_calculated =
       remoting::protocol::AuthenticationMethod::ApplyHashFunction(
           hash_parsed.hash_function, host_id, pin);
   return hash_calculated == hash_parsed.value;
 }
 
 }  // namespace remoting