Content settings extension API: Implement ContentSetting.getResourceIdentifiers.

chrome/browser/extensions/extension_content_settings_api.h

 // Copyright (c) 2011 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_EXTENSIONS_EXTENSION_CONTENT_SETTINGS_API_H__
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_CONTENT_SETTINGS_API_H__
 #pragma once
 
 #include "chrome/browser/extensions/extension_function.h"
 
+namespace webkit {
+namespace npapi {
+
+class PluginList;
+
+}
+}
+
 class ClearContentSettingsFunction : public SyncExtensionFunction {
  public:
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME(
       "experimental.contentSettings.clear")
 };
 
 class GetContentSettingFunction : public SyncExtensionFunction {
  public:
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME(
       "experimental.contentSettings.get")
 };
 
 class SetContentSettingFunction : public SyncExtensionFunction {
  public:
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME(
       "experimental.contentSettings.set")
 };
 
+class GetResourceIdentifiersFunction : public AsyncExtensionFunction {
+ public:
+  virtual bool RunImpl();
+  DECLARE_EXTENSION_FUNCTION_NAME(
+      "experimental.contentSettings.getResourceIdentifiers")
+
+ private:
+  FRIEND_TEST_ALL_PREFIXES(ExtensionApiTest,
+                           ContentSettingsGetResourceIdentifiers);
+
+  void GetPluginsOnFileThread();
+
+  // Used to override the global plugin list in tests.
+  static void SetPluginListForTesting(webkit::npapi::PluginList* plugin_list);
+};
+
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_CONTENT_SETTINGS_API_H__