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

ipc/ipc_sync_message_filter.h

 // Copyright (c) 2012 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.
 
 #ifndef IPC_IPC_SYNC_MESSAGE_FILTER_H_
 #define IPC_IPC_SYNC_MESSAGE_FILTER_H_
 
 #include <set>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/synchronization/waitable_event_watcher.h"
 #include "ipc/ipc_sender.h"
 #include "ipc/ipc_sync_message.h"
 #include "ipc/message_filter.h"
 #include "ipc/mojo_event.h"
-#include "mojo/public/cpp/bindings/associated_group.h"
 #include "mojo/public/cpp/bindings/associated_interface_ptr.h"
 #include "mojo/public/cpp/bindings/associated_interface_request.h"
 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 class WaitableEvent;
 }
 
 namespace IPC {
@@ skipping 17 matching lines @@
 
   // Binds an associated interface proxy to an interface in the browser process.
   // Interfaces acquired through this method are associated with the IPC Channel
   // and as such retain FIFO with legacy IPC messages.
   //
   // NOTE: This must ONLY be called on the Channel's thread, after
   // OnFilterAdded.
   template <typename Interface>
   void GetRemoteAssociatedInterface(
       mojo::AssociatedInterfacePtr<Interface>* proxy) {
-    mojo::AssociatedInterfaceRequest<Interface> request =
-        mojo::MakeRequest(proxy, &channel_associated_group_);
+    auto request = mojo::MakeRequest(proxy);
     GetGenericRemoteAssociatedInterface(Interface::Name_, request.PassHandle());
   }
 
  protected:
   explicit SyncMessageFilter(base::WaitableEvent* shutdown_event);
   ~SyncMessageFilter() override;
 
  private:
   class IOMessageLoopObserver;
 
@@ skipping 35 matching lines @@
   // Used to asynchronously watch |shutdown_event_| on the IO thread and forward
   // to |shutdown_mojo_event_| (see below.)
   base::WaitableEventWatcher shutdown_watcher_;
 
   // A Mojo event which can be watched for shutdown. Signals are forwarded to
   // this event asynchronously from |shutdown_event_|.
   MojoEvent shutdown_mojo_event_;
 
   scoped_refptr<IOMessageLoopObserver> io_message_loop_observer_;
 
-  // The AssociatedGroup for the underlying channel, used to construct new
-  // associated interface endpoints.
-  mojo::AssociatedGroup channel_associated_group_;
-
   base::WeakPtrFactory<SyncMessageFilter> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncMessageFilter);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_SYNC_MESSAGE_FILTER_H_