win: Fix remaining plugin warnings in ash, device, printing, sandbox.

sandbox/win/src/handle_closer_agent.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 "sandbox/win/src/handle_closer_agent.h"
 
 #include "base/logging.h"
 #include "sandbox/win/src/nt_internals.h"
 #include "sandbox/win/src/win_utils.h"
 
@@ skipping 27 matching lines @@
 SANDBOX_INTERCEPT HandleCloserInfo* g_handles_to_close = NULL;
 
 bool HandleCloserAgent::NeedsHandlesClosed() {
   return g_handles_to_close != NULL;
 }
 
 HandleCloserAgent::HandleCloserAgent()
     : dummy_handle_(::CreateEvent(NULL, FALSE, FALSE, NULL)) {
 }
 
+HandleCloserAgent::~HandleCloserAgent() {
+}
+
 // Attempts to stuff |closed_handle| with a duplicated handle for a dummy Event
 // with no access. This should allow the handle to be closed, to avoid
 // generating EXCEPTION_INVALID_HANDLE on shutdown, but nothing else. For now
 // the only supported |type| is Event or File.
 bool HandleCloserAgent::AttemptToStuffHandleSlot(HANDLE closed_handle,
                                                  const base::string16& type) {
   // Only attempt to stuff Files and Events at the moment.
   if (type != L"Event" && type != L"File") {
     return true;
   }
@@ skipping 124 matching lines @@
         return false;
       // Attempt to stuff this handle with a new dummy Event.
       AttemptToStuffHandleSlot(handle, result->first);
     }
   }
 
   return true;
 }
 
 }  // namespace sandbox