Change calling style for some Boring SSL functions which (now) return just 0 or 1.

Review URL: https://codereview.chromium.org/1634383002

Cr-Commit-Position: refs/heads/master@{#371683}

components/webcrypto/algorithms/rsa_oaep.cc

@@ -51,9 +51,9 @@ Status CommonEncryptDecrypt(InitFunc init_func,
   crypto::ScopedEVP_PKEY_CTX ctx(EVP_PKEY_CTX_new(pkey, NULL));
 
   if (!init_func(ctx.get()) ||
-      1 != EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_OAEP_PADDING) ||
-      1 != EVP_PKEY_CTX_set_rsa_oaep_md(ctx.get(), digest) ||
-      1 != EVP_PKEY_CTX_set_rsa_mgf1_md(ctx.get(), digest)) {
+      !EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_OAEP_PADDING) ||
+      !EVP_PKEY_CTX_set_rsa_oaep_md(ctx.get(), digest) ||
+      !EVP_PKEY_CTX_set_rsa_mgf1_md(ctx.get(), digest)) {
     return Status::OperationError();
   }