Unify PolicyBase into TargetPolicy.

sandbox/win/src/top_level_dispatcher.h

Index: sandbox/win/src/top_level_dispatcher.h
diff --git a/sandbox/win/src/top_level_dispatcher.h b/sandbox/win/src/top_level_dispatcher.h
index c9306de1cb283888dfeffbf68f80193b8620ef13..22b94c8c5fa15aacb5a5b590654cbb3a8c818196 100644
--- a/sandbox/win/src/top_level_dispatcher.h
+++ b/sandbox/win/src/top_level_dispatcher.h
@@ -10,7 +10,7 @@
 #include "sandbox/win/src/crosscall_server.h"
 #include "sandbox/win/src/interception.h"
 #include "sandbox/win/src/ipc_tags.h"
-#include "sandbox/win/src/sandbox_policy_base.h"
+#include "sandbox/win/src/sandbox_policy.h"
 
 namespace sandbox {
 
@@ -19,7 +19,7 @@ namespace sandbox {
 class TopLevelDispatcher : public Dispatcher {
  public:
   // |policy| must outlive this class.
-  explicit TopLevelDispatcher(PolicyBase* policy);
+  explicit TopLevelDispatcher(TargetPolicy* policy);
   ~TopLevelDispatcher() override;
 
   Dispatcher* OnMessageReady(IPCParams* ipc,
@@ -33,7 +33,7 @@ class TopLevelDispatcher : public Dispatcher {
   // Returns a dispatcher from ipc_targets_.
   Dispatcher* GetDispatcher(int ipc_tag);
 
-  PolicyBase* policy_;
+  TargetPolicy* policy_;
   scoped_ptr<Dispatcher> filesystem_dispatcher_;
   scoped_ptr<Dispatcher> named_pipe_dispatcher_;
   scoped_ptr<Dispatcher> thread_process_dispatcher_;