Pepper Flash settings integration: add UI for "deauthorize content licenses".

chrome/browser/plugin_status_pref_setter.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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_PLUGIN_DATA_REMOVER_HELPER_H_
-#define CHROME_BROWSER_PLUGIN_DATA_REMOVER_HELPER_H_
+#ifndef CHROME_BROWSER_PLUGIN_STATUS_PREF_SETTER_H_
+#define CHROME_BROWSER_PLUGIN_STATUS_PREF_SETTER_H_
 #pragma once
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class PluginPrefs;
+class PrefService;
 class Profile;
 
 namespace webkit {
 struct WebPluginInfo;
 }
 
 // Helper class modeled after BooleanPrefMember to (asynchronously) update
-// the preference specifying whether clearing plug-in data is supported
-// by an installed plug-in.
+// preferences related to plugin enable status.
 // It should only be used from the UI thread. The client has to make sure that
 // the passed profile outlives this object.
-class PluginDataRemoverHelper : public content::NotificationObserver {
+class PluginStatusPrefSetter : public content::NotificationObserver {
  public:
-  PluginDataRemoverHelper();
-  virtual ~PluginDataRemoverHelper();
+  PluginStatusPrefSetter();
+  virtual ~PluginStatusPrefSetter();
 
-  // Binds this object to the |pref_name| preference in the profile's
-  // PrefService, notifying |observer| if the value changes.
+  // Binds the preferences in the profile's PrefService, notifying |observer| if
+  // any value changes.
   // This asynchronously calls the PluginService to get the list of installed
   // plug-ins.
-  void Init(const char* pref_name,
-            Profile* profile,
+  void Init(Profile* profile,
             content::NotificationObserver* observer);
 
-  bool GetValue() const { return pref_.GetValue(); }
+  bool IsClearPluginLSODataEnabled() const {
+    return clear_plugin_lso_data_enabled_.GetValue();
+  }
 
-  // Like PluginDataRemover::IsSupported, but checks that the returned plugin
-  // is enabled by PluginPrefs
-  static bool IsSupported(PluginPrefs* plugin_prefs);
+  bool IsPepperFlashSettingsEnabled() const {
+    return pepper_flash_settings_enabled_.GetValue();
+  }
 
   // content::NotificationObserver methods:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
   void StartUpdate();
   void GotPlugins(scoped_refptr<PluginPrefs> plugin_prefs,
                   const std::vector<webkit::WebPluginInfo>& plugins);
 
-  BooleanPrefMember pref_;
   content::NotificationRegistrar registrar_;
   // Weak pointer.
   Profile* profile_;
-  base::WeakPtrFactory<PluginDataRemoverHelper> factory_;
+  base::WeakPtrFactory<PluginStatusPrefSetter> factory_;
 
-  DISALLOW_COPY_AND_ASSIGN(PluginDataRemoverHelper);
+  // Whether clearing LSO data is supported.
+  BooleanPrefMember clear_plugin_lso_data_enabled_;
+  // Whether we should show Pepper Flash-specific settings.
+  BooleanPrefMember pepper_flash_settings_enabled_;
+
+  DISALLOW_COPY_AND_ASSIGN(PluginStatusPrefSetter);
 };
 
-#endif  // CHROME_BROWSER_PLUGIN_DATA_REMOVER_HELPER_H_
+#endif  // CHROME_BROWSER_PLUGIN_STATUS_PREF_SETTER_H_