chromeos: Add ArcInputBridge to components/arc

components/arc/arc_bridge_service.h

 // Copyright 2015 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 COMPONENTS_ARC_ARC_BRIDGE_SERVICE_H_
 #define COMPONENTS_ARC_ARC_BRIDGE_SERVICE_H_
 
 #include "base/files/scoped_file.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "components/arc/common/arc_message_types.h"
 
 namespace base {
 class CommandLine;
 class SequencedTaskRunner;
 class SingleThreadTaskRunner;
 }  // namespace base
 
 namespace arc {
 
 // The Chrome-side service that handles ARC instances and ARC bridge creation.
 // This service handles the lifetime of ARC instances and sets up the
 // communication channel (the ARC bridge) used to send and receive messages.
-class ArcBridgeService {
+class ArcBridgeService : public base::SupportsWeakPtr<ArcBridgeService> {
  public:
   // The possible states of the bridge.  In the normal flow, the state changes
   // in the following sequence:
   //
   // STOPPED
   //   SetAvailable(true) + HandleStartup() -> SocketConnect() ->
   // CONNECTING
   //   Connect() ->
   // CONNECTED
   //   SocketConnectAfterSetSocketPermissions() ->
@@ skipping 118 matching lines @@
 
   // The current state of the bridge.
   ArcBridgeService::State state_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcBridgeService);
 };
 
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_ARC_BRIDGE_SERVICE_H_