Add threadsafe version of PermissionManager::GetPermissionStatus

chrome/browser/permissions/permission_manager.cc

 // Copyright 2015 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/permissions/permission_manager.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 371 matching lines @@
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   PermissionContextBase* context = GetPermissionContext(permission);
   if (!context)
     return;
 
   context->ResetPermission(requesting_origin.GetOrigin(),
                            embedding_origin.GetOrigin());
 }
 
 PermissionStatus PermissionManager::GetPermissionStatus(
+    HostContentSettingsMap* host,
+    content::PermissionType permission,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {
+  if (IsConstantPermission(permission))
+    return GetPermissionStatusForConstantPermission(permission);
+
+  PermissionContextBase* context = GetPermissionContext(permission);
+  if (!context)
+    return PermissionStatus::DENIED;
+
+  return ContentSettingToPermissionStatus(context->GetPermissionStatus(
+      host, requesting_origin.GetOrigin(), embedding_origin.GetOrigin()));
+}
+
+PermissionStatus PermissionManager::GetPermissionStatus(
     PermissionType permission,
     const GURL& requesting_origin,
     const GURL& embedding_origin) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (IsConstantPermission(permission))
     return GetPermissionStatusForConstantPermission(permission);
 
   PermissionContextBase* context = GetPermissionContext(permission);
   if (!context)
     return PermissionStatus::DENIED;
@@ skipping 92 matching lines @@
     // Add the callback to |callbacks| which will be run after the loop to
     // prevent re-entrance issues.
     callbacks.push_back(
         base::Bind(subscription->callback,
                    ContentSettingToPermissionStatus(new_value)));
   }
 
   for (const auto& callback : callbacks)
     callback.Run();
 }