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

chrome/browser/plugin_data_remover_helper.h

Index: chrome/browser/plugin_data_remover_helper.h
diff --git a/chrome/browser/plugin_data_remover_helper.h b/chrome/browser/plugin_data_remover_helper.h
index 938b17c9dd153e14017572d6cb360814a34dbbda..7b226f521d0013b772b6d22ab73d539f2fbf3067 100644
--- a/chrome/browser/plugin_data_remover_helper.h
+++ b/chrome/browser/plugin_data_remover_helper.h
@@ -1,4 +1,4 @@
-// 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.
 
@@ -6,60 +6,31 @@
 #define CHROME_BROWSER_PLUGIN_DATA_REMOVER_HELPER_H_
 #pragma once
 
-#include <vector>
+#include <string>
 
-#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"
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "chrome/browser/plugin_status_pref_setter.h"
 
 class PluginPrefs;
-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.
-// 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 {
+// Helper class to (asynchronously) update the preference specifying whether
+// clearing plug-in data is supported by an installed plug-in.
+class PluginDataRemoverHelper : public PluginStatusPrefSetter::Client {
  public:
-  PluginDataRemoverHelper();
+  explicit PluginDataRemoverHelper(const char* pref_name);
   virtual ~PluginDataRemoverHelper();
 
-  // Binds this object to the |pref_name| preference in the profile's
-  // PrefService, notifying |observer| if the value changes.
-  // This asynchronously calls the PluginService to get the list of installed
-  // plug-ins.
-  void Init(const char* pref_name,
-            Profile* profile,
-            content::NotificationObserver* observer);
-
-  bool GetValue() const { return pref_.GetValue(); }
-
   // Like PluginDataRemover::IsSupported, but checks that the returned plugin
-  // is enabled by PluginPrefs
+  // is enabled by PluginPrefs.
   static bool IsSupported(PluginPrefs* plugin_prefs);
 
-  // content::NotificationObserver methods:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+  // PluginStatusPrefSetter::Client implementation.
+  virtual const char* GetPrefName() const OVERRIDE;
+  virtual bool CalculatePrefValue(PluginPrefs* plugin_prefs) 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_;
+  std::string pref_name_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginDataRemoverHelper);
 };