Move GRPC_ARG_DISABLE_CLIENT_AUTHORITY_FILTER into core

src/core/ext/transport/cronet/client/secure/cronet_channel_create.cc

@@ -46,9 +46,19 @@ GRPCAPI grpc_channel* grpc_cronet_secure_channel_create(
           "grpc_create_cronet_transport: stream_engine = %p, target=%s", engine,
           target);
 
+  // Disable client authority filter when using Cronet
+  grpc_arg arg;
+  arg.key = const_cast<char*>(GRPC_ARG_DISABLE_CLIENT_AUTHORITY_FILTER);
+  arg.type = GRPC_ARG_INTEGER;
+  arg.value.integer = 1;
+  grpc_channel_args* new_args = grpc_channel_args_copy_and_add(args, &arg, 1);
+
   grpc_transport* ct =
-      grpc_create_cronet_transport(engine, target, args, reserved);
+      grpc_create_cronet_transport(engine, target, new_args, reserved);
 
   grpc_core::ExecCtx exec_ctx;
-  return grpc_channel_create(target, args, GRPC_CLIENT_DIRECT_CHANNEL, ct);
+  grpc_channel* channel =
+      grpc_channel_create(target, new_args, GRPC_CLIENT_DIRECT_CHANNEL, ct);
+  grpc_channel_args_destroy(new_args);
+  return channel;
 }

src/objective-c/GRPCClient/private/GRPCCronetChannelFactory.m

@@ -54,9 +54,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (grpc_channel * _Nullable)createChannelWithHost:(NSString *)host
                                      channelArgs:(NSDictionary * _Nullable)args {
-  // Remove client authority filter since that is not supported
-  args[@GRPC_ARG_DISABLE_CLIENT_AUTHORITY_FILTER] = [NSNumber numberWithInt:1];
-
   grpc_channel_args *channelArgs = GRPCBuildChannelArgs(args);
   grpc_channel *unmanagedChannel =
       grpc_cronet_secure_channel_create(_cronetEngine, host.UTF8String, channelArgs, NULL);

src/objective-c/GRPCClient/private/GRPCWrappedCall.m

@@ -310,7 +310,9 @@
 }
 
 - (void)dealloc {
-  grpc_call_unref(_call);
+  if (_call) {
+    grpc_call_unref(_call);
+  }
   [_channel unref];
   _channel = nil;
 }

src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.mm

@@ -81,13 +81,7 @@ static void cronet_init_client_secure_fullstack(grpc_end2end_test_fixture *f,
                                                 grpc_channel_args *client_args,
                                                 stream_engine *cronetEngine) {
   fullstack_secure_fixture_data *ffd = (fullstack_secure_fixture_data *)f->fixture_data;
-  grpc_arg arg;
-  arg.key = const_cast<char *>(GRPC_ARG_DISABLE_CLIENT_AUTHORITY_FILTER);
-  arg.type = GRPC_ARG_INTEGER;
-  arg.value.integer = 1;
-  client_args = grpc_channel_args_copy_and_add(client_args, &arg, 1);
   f->client = grpc_cronet_secure_channel_create(cronetEngine, ffd->localaddr, client_args, NULL);
-  grpc_channel_args_destroy(client_args);
   GPR_ASSERT(f->client != NULL);
 }
 

src/objective-c/tests/CronetUnitTests/CronetUnitTests.m

@@ -124,14 +124,6 @@ unsigned int parse_h2_length(const char *field) {
          ((unsigned int)(unsigned char)(field[2]));
 }
 
-grpc_channel_args *add_disable_client_authority_filter_args(grpc_channel_args *args) {
-  grpc_arg arg;
-  arg.key = const_cast<char *>(GRPC_ARG_DISABLE_CLIENT_AUTHORITY_FILTER);
-  arg.type = GRPC_ARG_INTEGER;
-  arg.value.integer = 1;
-  return grpc_channel_args_copy_and_add(args, &arg, 1);
-}
-
 - (void)testInternalError {
   grpc_call *c;
   grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
@@ -151,9 +143,7 @@ grpc_channel_args *add_disable_client_authority_filter_args(grpc_channel_args *a
   gpr_join_host_port(&addr, "127.0.0.1", port);
   grpc_completion_queue *cq = grpc_completion_queue_create_for_next(NULL);
   stream_engine *cronetEngine = [Cronet getGlobalEngine];
-  grpc_channel_args *client_args = add_disable_client_authority_filter_args(NULL);
+  grpc_channel *client = grpc_cronet_secure_channel_create(cronetEngine, addr, NULL, NULL);
-  grpc_channel *client = grpc_cronet_secure_channel_create(cronetEngine, addr, client_args, NULL);
-  grpc_channel_args_destroy(client_args);
 
   cq_verifier *cqv = cq_verifier_create(cq);
   grpc_op ops[6];
@@ -265,7 +255,6 @@ grpc_channel_args *add_disable_client_authority_filter_args(grpc_channel_args *a
   arg.type = GRPC_ARG_INTEGER;
   arg.value.integer = useCoalescing ? 1 : 0;
   grpc_channel_args *args = grpc_channel_args_copy_and_add(NULL, &arg, 1);
-  args = add_disable_client_authority_filter_args(args);
 
   grpc_call *c;
   grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");