Unify PolicyBase into TargetPolicy.

sandbox/win/src/named_pipe_dispatcher.cc

Index: sandbox/win/src/named_pipe_dispatcher.cc
diff --git a/sandbox/win/src/named_pipe_dispatcher.cc b/sandbox/win/src/named_pipe_dispatcher.cc
index 53bb7c4c658d0d81d3f9222271eac1b69e8061ae..5eeb6d168c331aa54e82ebc0574cc63aae9bc4c9 100644
--- a/sandbox/win/src/named_pipe_dispatcher.cc
+++ b/sandbox/win/src/named_pipe_dispatcher.cc
@@ -20,8 +20,8 @@
 
 namespace sandbox {
 
-NamedPipeDispatcher::NamedPipeDispatcher(PolicyBase* policy_base)
-    : policy_base_(policy_base) {
+NamedPipeDispatcher::NamedPipeDispatcher(TargetPolicy* policy)
+    : policy_(policy) {
   static const IPCCall create_params = {
       {IPC_CREATENAMEDPIPEW_TAG,
        {WCHAR_TYPE,
@@ -73,8 +73,8 @@ bool NamedPipeDispatcher::CreateNamedPipe(IPCInfo* ipc,
   CountedParameterSet<NameBased> params;
   params[NameBased::NAME] = ParamPickerMake(pipe_name);
 
-  EvalResult eval = policy_base_->EvalPolicy(IPC_CREATENAMEDPIPEW_TAG,
-                                             params.GetBase());
+  EvalResult eval =
+      policy_->EvalPolicy(IPC_CREATENAMEDPIPEW_TAG, params.GetBase());
 
   // "For file I/O, the "\\?\" prefix to a path string tells the Windows APIs to
   // disable all string parsing and to send the string that follows it straight