Unify PolicyBase into TargetPolicy.

sandbox/win/src/handle_dispatcher.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 SANDBOX_SRC_HANDLE_DISPATCHER_H_
 #define SANDBOX_SRC_HANDLE_DISPATCHER_H_
 
 #include "base/basictypes.h"
 #include "sandbox/win/src/crosscall_server.h"
-#include "sandbox/win/src/sandbox_policy_base.h"
+#include "sandbox/win/src/sandbox_policy.h"
 
 namespace sandbox {
 
 // This class handles handle-related IPC calls.
 class HandleDispatcher : public Dispatcher {
  public:
-  explicit HandleDispatcher(PolicyBase* policy_base);
+  explicit HandleDispatcher(TargetPolicy* policy);
   ~HandleDispatcher() override {}
 
   // Dispatcher interface.
   bool SetupService(InterceptionManager* manager, int service) override;
 
  private:
   // Processes IPC requests coming from calls to
   // TargetServices::DuplicateHandle() in the target.
   bool DuplicateHandleProxy(IPCInfo* ipc,
                             HANDLE source_handle,
                             uint32 target_process_id,
                             uint32 desired_access,
                             uint32 options);
 
-  PolicyBase* policy_base_;
+  TargetPolicy* policy_;
   DISALLOW_COPY_AND_ASSIGN(HandleDispatcher);
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_SRC_HANDLE_DISPATCHER_H_