VM: Re-format to use at most one newline between functions

runtime/bin/security_context_macos.cc

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #if !defined(DART_IO_DISABLED) && !defined(DART_IO_SECURE_SOCKET_DISABLED)
 
 #include "platform/globals.h"
 #if defined(HOST_OS_MACOS)
 
 #include "bin/security_context.h"
@@ skipping 54 matching lines @@
   ScopedCFDataRef cert_buf(
       CFDataCreateWithBytesNoCopy(NULL, deb_cert, length, kCFAllocatorNull));
   SecCertificateRef auth_cert =
       SecCertificateCreateWithData(NULL, cert_buf.get());
   if (auth_cert == NULL) {
     return NULL;
   }
   return auth_cert;
 }
 
-
 static int CertificateVerificationCallback(X509_STORE_CTX* ctx, void* arg) {
   SSLCertContext* context = static_cast<SSLCertContext*>(arg);
 
   // Convert BoringSSL formatted certificates to SecCertificate certificates.
   ScopedCFMutableArrayRef cert_chain(NULL);
   X509* root_cert = NULL;
   if (ctx->untrusted != NULL) {
     STACK_OF(X509)* user_provided_certs = ctx->untrusted;
     int num_certs = sk_X509_num(user_provided_certs);
     int current_cert = 0;
@@ skipping 70 matching lines @@
     // Successfully verified certificate!
     return ctx->verify_cb(1, ctx);
   }
 
   // Set current_cert to the root of the certificate chain. This will be passed
   // to the callback provided by the user for additional verification steps.
   ctx->current_cert = root_cert;
   return ctx->verify_cb(0, ctx);
 }
 
-
 void SSLCertContext::RegisterCallbacks(SSL* ssl) {
   SSL_CTX* ctx = SSL_get_SSL_CTX(ssl);
   SSL_CTX_set_cert_verify_callback(ctx, CertificateVerificationCallback, this);
 }
 
-
 void SSLCertContext::TrustBuiltinRoots() {
   // First, try to use locations specified on the command line.
   if (commandline_root_certs_file != NULL) {
     LoadRootCertFile(commandline_root_certs_file);
     return;
   }
   if (commandline_root_certs_cache != NULL) {
     LoadRootCertCache(commandline_root_certs_cache);
     return;
   }
   set_trust_builtin(true);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(HOST_OS_MACOS)
 #endif  // !defined(DART_IO_DISABLED) &&
         // !defined(DART_IO_SECURE_SOCKET_DISABLED)