Revert of Adds associated interface support to IPC::Channel

ipc/ipc_mojo_bootstrap.h

 // 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.
 
 #ifndef IPC_IPC_MOJO_BOOTSTRAP_H_
 #define IPC_IPC_MOJO_BOOTSTRAP_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/process/process_handle.h"
 #include "build/build_config.h"
 #include "ipc/ipc.mojom.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_listener.h"
-#include "mojo/public/cpp/bindings/associated_group.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 
 namespace IPC {
 
 // MojoBootstrap establishes a pair of associated interfaces between two
 // processes in Chrome.
 //
 // Clients should implement MojoBootstrap::Delegate to get the associated pipes
 // from MojoBootstrap object.
 //
@@ skipping 16 matching lines @@
       mojo::ScopedMessagePipeHandle handle,
       Channel::Mode mode,
       Delegate* delegate);
 
   MojoBootstrap();
   virtual ~MojoBootstrap();
 
   // Start the handshake over the underlying message pipe.
   virtual void Connect() = 0;
 
-  virtual mojo::AssociatedGroup* GetAssociatedGroup() = 0;
-
   // GetSelfPID returns our PID.
   base::ProcessId GetSelfPID() const;
 
  protected:
   // On MojoServerBootstrap: INITIALIZED -> WAITING_ACK -> READY
   // On MojoClientBootstrap: INITIALIZED -> READY
   // STATE_ERROR is a catch-all state that captures any observed error.
   enum State { STATE_INITIALIZED, STATE_WAITING_ACK, STATE_READY, STATE_ERROR };
 
   Delegate* delegate() const { return delegate_; }
@@ skipping 11 matching lines @@
   mojo::ScopedMessagePipeHandle handle_;
   Delegate* delegate_;
   State state_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoBootstrap);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_MOJO_BOOTSTRAP_H_