Whiltelist the remoting viewer for the Chromoting extension

chrome/browser/content_settings/content_settings_internal_extension_provider.h

 // 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.
 
 #ifndef CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
 
+#include <set>
+#include <string>
+
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "components/content_settings/core/browser/content_settings_observable_provider.h"
 #include "components/content_settings/core/browser/content_settings_origin_identifier_value_map.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class Profile;
 
@@ skipping 25 matching lines @@
   void ClearAllContentSettingsRules(ContentSettingsType content_type) override;
 
   void ShutdownOnUIThread() override;
 
   // content::NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
  private:
+  void ApplyPluginContentSettingsForExtension(
+      const extensions::Extension* extension,
+      ContentSetting setting);
   void SetContentSettingForExtension(const extensions::Extension* extension,
                                      ContentSetting setting);
   void SetContentSettingForExtensionAndResource(
       const extensions::Extension* extension,
       const ResourceIdentifier& resource,
       ContentSetting setting);
 
   OriginIdentifierValueMap value_map_;
 
   // Used around accesses to the |value_map_| list to guarantee thread safety.
   mutable base::Lock lock_;
   scoped_ptr<content::NotificationRegistrar> registrar_;
 
+  // Extension IDs used by the Chrome Remote Desktop app.
+  std::set<std::string> chrome_remote_desktop_;
+
   DISALLOW_COPY_AND_ASSIGN(InternalExtensionProvider);
 };
 
 }  // namespace content_settings
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_