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

content/child/webcrypto/openssl/rsa_ssa_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/crypto_data.h"
 #include "content/child/webcrypto/openssl/key_openssl.h"
 #include "content/child/webcrypto/openssl/rsa_key_openssl.h"
 #include "content/child/webcrypto/openssl/util_openssl.h"
 #include "content/child/webcrypto/status.h"
 #include "crypto/openssl_util.h"
@@ skipping 87 matching lines @@
 
     crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE);
     crypto::ScopedEVP_MD_CTX ctx(EVP_MD_CTX_create());
 
     EVP_PKEY* public_key = NULL;
     const EVP_MD* digest = NULL;
     Status status = GetPKeyAndDigest(key, &public_key, &digest);
     if (status.IsError())
       return status;
 
-    if (1 != EVP_DigestVerifyInit(ctx.get(), NULL, digest, NULL, public_key))
+    if (!EVP_DigestVerifyInit(ctx.get(), NULL, digest, NULL, public_key))
       return Status::OperationError();
 
-    if (1 !=
-        EVP_DigestVerifyUpdate(ctx.get(), data.bytes(), data.byte_length())) {
+    if (!EVP_DigestVerifyUpdate(ctx.get(), data.bytes(), data.byte_length())) {
       return Status::OperationError();
     }
 
     // Note that the return value can be:
     //   1 --> Success
     //   0 --> Verification failed
     //  <0 --> Operation error
-    int rv = EVP_DigestVerifyFinal(ctx.get(),
-                                   signature.bytes(),
-                                   signature.byte_length());
+    int rv = EVP_DigestVerifyFinal(
+        ctx.get(), signature.bytes(), signature.byte_length());
     *signature_match = rv == 1;
     return rv >= 0 ? Status::Success() : Status::OperationError();
   }
 };
 
 }  // namespace
 
 AlgorithmImplementation* CreatePlatformRsaSsaImplementation() {
   return new RsaSsaImplementation;
 }
 
 }  // namespace webcrypto
 
 }  // namespace content