Fixed MonitorData deletion in Monitor2Shutdown.

cloud_print/virtual_driver/win/port_monitor/port_monitor.cc

 // 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.
 
 #include "cloud_print/virtual_driver/win/port_monitor/port_monitor.h"
 
 #include <lmcons.h>
 #include <shellapi.h>
 #include <shlobj.h>
 #include <strsafe.h>
@@ skipping 497 matching lines @@
   // this situation.
   return TRUE;
 }
 
 BOOL WINAPI Monitor2ClosePort(HANDLE port_handle) {
   if (port_handle == NULL) {
     LOG(ERROR) << "port_handle should not be NULL.";
     SetLastError(ERROR_INVALID_PARAMETER);
     return FALSE;
   }
-  PortData* port_data = reinterpret_cast<PortData*>(port_handle);
-  delete port_data;
+  delete reinterpret_cast<PortData*>(port_handle);
   return TRUE;
 }
 
 VOID WINAPI Monitor2Shutdown(HANDLE monitor_handle) {
   if (monitor_handle != NULL) {
-    MonitorData* monitor_data =
-      reinterpret_cast<MonitorData*>(monitor_handle);
-    delete monitor_handle;
+    delete reinterpret_cast<MonitorData*>(monitor_handle);
   }
 }
 
 BOOL WINAPI Monitor2XcvOpenPort(HANDLE,
                                 const wchar_t*,
                                 ACCESS_MASK granted_access,
                                 HANDLE* handle) {
   if (handle == NULL) {
     LOG(ERROR) << "handle should not be NULL.";
     SetLastError(ERROR_INVALID_PARAMETER);
@@ skipping 36 matching lines @@
                                output_data_bytes,
                                dll_path.value().c_str());
     }
   } else {
     return ERROR_INVALID_PARAMETER;
   }
   return ret_val;
 }
 
 BOOL WINAPI Monitor2XcvClosePort(HANDLE handle) {
-  XcvUiData* xcv_data = reinterpret_cast<XcvUiData*>(handle);
-  delete xcv_data;
+  delete reinterpret_cast<XcvUiData*>(handle);
   return TRUE;
 }
 
 BOOL WINAPI MonitorUiAddPortUi(const wchar_t*,
                                HWND hwnd,
                                const wchar_t* monitor_name,
                                wchar_t**) {
   HandlePortUi(hwnd, monitor_name);
   return TRUE;
 }
@@ skipping 21 matching lines @@
     // Single spooler.exe handles verbose users.
     PathService::DisableCache();
   }
   return &cloud_print::g_monitor_2;
 }
 
 MONITORUI* WINAPI InitializePrintMonitorUI(void) {
   return &cloud_print::g_monitor_ui;
 }