GN: Reset default for fallback root certs to false.

runtime/bin/secure_socket_boringssl.cc

 // Copyright (c) 2012, 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(TARGET_OS_ANDROID) || defined(TARGET_OS_LINUX) ||                  \
     defined(TARGET_OS_WINDOWS) || defined(TARGET_OS_FUCHSIA)
 
@@ skipping 1551 matching lines @@
   }
   Handshake();
 }
 
 
 int printErrorCallback(const char* str, size_t len, void* ctx) {
   Log::PrintErr("%.*s\n", static_cast<int>(len), str);
   return 1;
 }
 
+
 void SSLFilter::Handshake() {
   // Try and push handshake along.
   int status;
   status = SSL_do_handshake(ssl_);
   if (callback_error != NULL) {
     // The SSL_do_handshake will try performing a handshake and might call
     // a CertificateCallback. If the certificate validation
     // failed the 'callback_error" will be set by the certificateCallback
     // logic and we propagate the error"
     Dart_PropagateError(callback_error);
@@ skipping 21 matching lines @@
         X509_NAME_print_ex_fp(stdout, s_name, 4, 0);
         printf("\n");
       }
     }
     ThrowIfError(Dart_InvokeClosure(
         Dart_HandleFromPersistent(handshake_complete_), 0, NULL));
     in_handshake_ = false;
   }
 }
 
+
 void SSLFilter::GetSelectedProtocol(Dart_NativeArguments args) {
   const uint8_t* protocol;
   unsigned length;
   SSL_get0_alpn_selected(ssl_, &protocol, &length);
   if (length == 0) {
     Dart_SetReturnValue(args, Dart_Null());
   } else {
     Dart_SetReturnValue(args, Dart_NewStringFromUTF8(protocol, length));
   }
 }
@@ skipping 136 matching lines @@
   return bytes_processed;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)
 
 #endif  // !defined(DART_IO_DISABLED) &&
         // !defined(DART_IO_SECURE_SOCKET_DISABLED)