Check USB device path access when prompting users to select a device.

chromeos/dbus/fake_permission_broker_client.h

 // Copyright 2013 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 CHROMEOS_DBUS_FAKE_PERMISSION_BROKER_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_PERMISSION_BROKER_CLIENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chromeos/dbus/permission_broker_client.h"
 
 namespace chromeos {
 
-class FakePermissionBrokerClient : public PermissionBrokerClient {
+class CHROMEOS_EXPORT FakePermissionBrokerClient
+    : public PermissionBrokerClient {
  public:
   FakePermissionBrokerClient();
   ~FakePermissionBrokerClient() override;
 
   void Init(dbus::Bus* bus) override;
+  void CheckPathAccess(const std::string& path,
+                       const ResultCallback& callback) override;
   void RequestPathAccess(const std::string& path,
                          int interface_id,
                          const ResultCallback& callback) override;
   void RequestTcpPortAccess(uint16 port,
                             const std::string& interface,
                             const dbus::FileDescriptor& lifeline_fd,
                             const ResultCallback& callback) override;
   void RequestUdpPortAccess(uint16 port,
                             const std::string& interface,
                             const dbus::FileDescriptor& lifeline_fd,
                             const ResultCallback& callback) override;
   void ReleaseTcpPort(uint16 port,
                       const std::string& interface,
                       const ResultCallback& callback) override;
   void ReleaseUdpPort(uint16 port,
                       const std::string& interface,
                       const ResultCallback& callback) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakePermissionBrokerClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_PERMISSION_BROKER_CLIENT_H_