Cleanup: replace usage of "pk11" with "pkcs11" or "crypto module", as appropriate.

net/base/keygen_handler.cc

 // Copyright (c) 2010 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/base/keygen_handler.h"
 
 #if defined(USE_NSS)
-#include "base/crypto/pk11_blocking_password_delegate.h"
+#include "base/crypto/crypto_module_blocking_password_delegate.h"
 #endif
 
 namespace net {
 
 // The constructor and destructor must be defined in a .cc file so that
-// PK11BlockingPasswordDelegate can be forward-declared on platforms which use
-// NSS.
+// CryptoModuleBlockingPasswordDelegate can be forward-declared on platforms
+// which use NSS.
 
 KeygenHandler::KeygenHandler(int key_size_in_bits,
                              const std::string& challenge,
                              const GURL& url)
     : key_size_in_bits_(key_size_in_bits),
       challenge_(challenge),
       url_(url),
       stores_key_(true) {
 }
 
 KeygenHandler::~KeygenHandler() {
 }
 
 }  // namespace net