NaCl plugin: Make ServiceRuntime::Shutdown() kill the NaCl loader

components/nacl/renderer/ppb_nacl_private_impl.cc

 // Copyright 2013 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 "components/nacl/renderer/ppb_nacl_private.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 866 matching lines @@
   CHECK(iter != map.end());
   // The erase may call NexeLoadManager's destructor prior to removing it from
   // the map. In that case, it is possible for the trusted Plugin to re-enter
   // the NexeLoadManager (e.g., by calling ReportLoadError). Passing out the
   // NexeLoadManager to a local scoped_ptr just ensures that its entry is gone
   // from the map prior to the destructor being invoked.
   std::unique_ptr<NaClPluginInstance> temp(map.take(instance));
   map.erase(iter);
 }
 
+// static
+void PPBNaClPrivate::TerminateNaClLoader(PP_Instance instance) {
+  auto* load_mgr = GetNexeLoadManager(instance);
+  if (load_mgr)
+    load_mgr->CloseTrustedPluginChannel();
+}
+
 namespace {
 
 PP_Bool NaClDebugEnabledForURL(const char* alleged_nmf_url) {
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableNaClDebug))
     return PP_FALSE;
   IPC::Sender* sender = content::RenderThread::Get();
   DCHECK(sender);
   bool should_debug = false;
   return PP_FromBool(
@@ skipping 830 matching lines @@
   // Mark the request as requesting a PNaCl bitcode file,
   // so that component updater can detect this user action.
   url_request.addHTTPHeaderField(
       blink::WebString::fromUTF8("Accept"),
       blink::WebString::fromUTF8("application/x-pnacl, */*"));
   url_request.setRequestContext(blink::WebURLRequest::RequestContextObject);
   downloader->Load(url_request);
 }
 
 }  // namespace nacl