Add nativeMessaging extension permission

chrome/browser/extensions/api/messaging/message_service.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 "chrome/browser/extensions/api/messaging/message_service.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/json/json_writer.h"
@@ skipping 177 matching lines @@
     int source_routing_id,
     int receiver_port_id,
     const std::string& source_extension_id,
     const std::string& native_app_name) {
   content::RenderProcessHost* source =
       content::RenderProcessHost::FromID(source_process_id);
   if (!source)
     return;
 
 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
+  Profile* profile = Profile::FromBrowserContext(source->GetBrowserContext());
+  ExtensionService* extension_service =
+      extensions::ExtensionSystem::Get(profile)->extension_service();
+  bool has_permission = false;
+  if (extension_service) {
+    const Extension* extension =
+        extension_service->GetExtensionById(source_extension_id, false);
+    has_permission = extension && extension->HasAPIPermission(
+        APIPermission::kNativeMessaging);
+  }
+
+  if (!has_permission) {
+    ExtensionMessagePort port(source, MSG_ROUTING_CONTROL, "");
+    port.DispatchOnDisconnect(GET_OPPOSITE_PORT_ID(receiver_port_id), true);
+    return;
+  }
+
   WebContents* source_contents = tab_util::GetWebContentsByID(
       source_process_id, source_routing_id);
 
   // Include info about the opener's tab (if it was a tab).
   std::string tab_json = "null";
   if (source_contents) {
     scoped_ptr<DictionaryValue> tab_value(ExtensionTabUtil::CreateTabValue(
         source_contents));
     base::JSONWriter::Write(tab_value.get(), &tab_json);
   }
@@ skipping 276 matching lines @@
     return;
 
   params->source = source;
   params->receiver.reset(new ExtensionMessagePort(host->render_process_host(),
                                                   MSG_ROUTING_CONTROL,
                                                   params->target_extension_id));
   OpenChannelImpl(params.Pass());
 }
 
 }  // namespace extensions