Unify PolicyBase into TargetPolicy.

sandbox/win/src/registry_dispatcher.cc

Index: sandbox/win/src/registry_dispatcher.cc
diff --git a/sandbox/win/src/registry_dispatcher.cc b/sandbox/win/src/registry_dispatcher.cc
index 267a592bf00b34494c8c83830b1b0dd2af2dcd5c..d90d77d126cb37a188c8d1ae5ecca1d13845e591 100644
--- a/sandbox/win/src/registry_dispatcher.cc
+++ b/sandbox/win/src/registry_dispatcher.cc
@@ -39,8 +39,8 @@ bool GetCompletePath(HANDLE root, const base::string16& name,
 
 namespace sandbox {
 
-RegistryDispatcher::RegistryDispatcher(PolicyBase* policy_base)
-    : policy_base_(policy_base) {
+RegistryDispatcher::RegistryDispatcher(TargetPolicy* policy)
+    : policy_(policy) {
   static const IPCCall create_params = {
       {IPC_NTCREATEKEY_TAG,
        {WCHAR_TYPE,
@@ -106,8 +106,8 @@ bool RegistryDispatcher::NtCreateKey(IPCInfo* ipc,
   params[OpenKey::NAME] = ParamPickerMake(regname);
   params[OpenKey::ACCESS] = ParamPickerMake(desired_access);
 
-  EvalResult result = policy_base_->EvalPolicy(IPC_NTCREATEKEY_TAG,
-                                               params.GetBase());
+  EvalResult result =
+      policy_->EvalPolicy(IPC_NTCREATEKEY_TAG, params.GetBase());
 
   HANDLE handle;
   NTSTATUS nt_status;
@@ -153,8 +153,7 @@ bool RegistryDispatcher::NtOpenKey(IPCInfo* ipc,
   params[OpenKey::NAME] = ParamPickerMake(regname);
   params[OpenKey::ACCESS] = ParamPickerMake(desired_access);
 
-  EvalResult result = policy_base_->EvalPolicy(IPC_NTOPENKEY_TAG,
-                                               params.GetBase());
+  EvalResult result = policy_->EvalPolicy(IPC_NTOPENKEY_TAG, params.GetBase());
   HANDLE handle;
   NTSTATUS nt_status;
   if (!RegistryPolicy::OpenKeyAction(result, *ipc->client_info, *name,