Mojo C++ bindings: remove usage of AssociatedGroup from ipc/

ipc/ipc_channel_mojo_unittest.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 "ipc/ipc_channel_mojo.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 902 matching lines @@
   RunProxy();
 
   // Use an interface requested via another interface. On the remote end both
   // interfaces are bound on the proxy thread. This ensures that the Ping
   // message we send will still be dispatched properly even though the remote
   // endpoint may not have been bound yet by the time the message is initially
   // processed on the IO thread.
   IPC::mojom::IndirectTestDriverAssociatedPtr driver;
   IPC::mojom::PingReceiverAssociatedPtr ping_receiver;
   proxy()->GetRemoteAssociatedInterface(&driver);
-  driver->GetPingReceiver(
-      mojo::MakeRequest(&ping_receiver, driver.associated_group()));
+  driver->GetPingReceiver(mojo::MakeRequest(&ping_receiver));
 
   base::RunLoop loop;
   ping_receiver->Ping(loop.QuitClosure());
   loop.Run();
 
   DestroyProxy();
 }
 
 class ListenerWithSyncAssociatedInterface
     : public IPC::Listener,
@@ skipping 333 matching lines @@
 TEST_F(IPCChannelProxyMojoTest, AssociatedRequestClose) {
   Init("DropAssociatedRequest");
 
   DummyListener listener;
   CreateProxy(&listener);
   RunProxy();
 
   IPC::mojom::AssociatedInterfaceVendorAssociatedPtr vendor;
   proxy()->GetRemoteAssociatedInterface(&vendor);
   IPC::mojom::SimpleTestDriverAssociatedPtr tester;
-  vendor->GetTestInterface(
-      mojo::MakeRequest(&tester, vendor.associated_group()));
+  vendor->GetTestInterface(mojo::MakeRequest(&tester));
   base::RunLoop run_loop;
   tester.set_connection_error_handler(run_loop.QuitClosure());
   run_loop.Run();
 
   proxy()->GetRemoteAssociatedInterface(&tester);
   EXPECT_TRUE(WaitForClientShutdown());
   DestroyProxy();
 }
 
 class AssociatedInterfaceDroppingListener : public IPC::Listener {
@@ skipping 176 matching lines @@
   Connect(&listener);
 
   base::RunLoop().Run();
 
   Close();
 }
 
 #endif  // OS_LINUX
 
 }  // namespace