[style] Replace various "X() != 1" checks with "!X()".

content/child/webcrypto/openssl/rsa_key_openssl.cc

 // Copyright 2014 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 "content/child/webcrypto/openssl/rsa_key_openssl.h"
 
 #include <openssl/evp.h>
 #include <openssl/pkcs12.h>
 
 #include "base/logging.h"
@@ skipping 165 matching lines @@
   rsa->dmq1 = CreateBIGNUM(params.dq);
   rsa->iqmp = CreateBIGNUM(params.qi);
 
   if (!rsa->n || !rsa->e || !rsa->d || !rsa->p || !rsa->q || !rsa->dmp1 ||
       !rsa->dmq1 || !rsa->iqmp) {
     return Status::OperationError();
   }
 
   // TODO(eroman): This should really be a DataError, however for compatibility
   //               with NSS it is an OperationError.
-  if (1 != RSA_check_key(rsa.get()))
+  if (!RSA_check_key(rsa.get()))
     return Status::OperationError();
 
   // Create a corresponding EVP_PKEY.
   crypto::ScopedEVP_PKEY pkey(EVP_PKEY_new());
   if (!pkey || !EVP_PKEY_set1_RSA(pkey.get(), rsa.get()))
     return Status::OperationError();
 
   return CreateWebCryptoPrivateKey(pkey.Pass(),
                                    algorithm.id(),
                                    algorithm.rsaHashedImportParams()->hash(),
@@ skipping 155 matching lines @@
     return Status::DataError();
 
   if (EVP_PKEY_id(private_key.get()) != EVP_PKEY_RSA)
     return Status::DataError();  // Data did not define an RSA key.
 
   // Verify the parameters of the key (because EVP_PKCS82PKEY() happily imports
   // invalid keys).
   crypto::ScopedRSA rsa(EVP_PKEY_get1_RSA(private_key.get()));
   if (!rsa.get())
     return Status::ErrorUnexpected();
-  if (1 != RSA_check_key(rsa.get()))
+  if (!RSA_check_key(rsa.get()))
     return Status::DataError();
 
   // TODO(eroman): Validate the algorithm OID against the webcrypto provided
   // hash. http://crbug.com/389400
 
   return CreateWebCryptoPrivateKey(private_key.Pass(),
                                    algorithm.id(),
                                    algorithm.rsaHashedImportParams()->hash(),
                                    extractable,
                                    usage_mask,
@@ skipping 122 matching lines @@
       return Status::Success();
 
     default:
       return Status::ErrorUnexpected();
   }
 }
 
 }  // namespace webcrypto
 
 }  // namespace content