Options2: Pull the trigger.

chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.h

Index: chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.h
diff --git a/chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.h b/chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.h
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index 0000000000000000000000000000000000000000..48aa029029885a2899b8f55df53a8ff6050afce8
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+// 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_UI_WEBUI_OPTIONS2_CHROMEOS_CORE_CHROMEOS_OPTIONS_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_CORE_CHROMEOS_OPTIONS_HANDLER_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/ui/webui/options2/core_options_handler.h"
+
+class PrefSetObserver;
+
+namespace chromeos {
+
+// CoreChromeOSOptionsHandler handles ChromeOS settings.
+class CoreChromeOSOptionsHandler : public CoreOptionsHandler {
+ public:
+  CoreChromeOSOptionsHandler();
+  virtual ~CoreChromeOSOptionsHandler();
+
+ protected:
+  // ::CoreOptionsHandler overrides
+  virtual void Initialize() OVERRIDE;
+  virtual base::Value* FetchPref(const std::string& pref_name) OVERRIDE;
+  virtual void ObservePref(const std::string& pref_name) OVERRIDE;
+  virtual void SetPref(const std::string& pref_name,
+                       const base::Value* value,
+                       const std::string& metric) OVERRIDE;
+  virtual void StopObservingPref(const std::string& path) OVERRIDE;
+
+  // content::NotificationObserver implementation.
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+ private:
+  // Notifies registered JS callbacks on ChromeOS setting change.
+  void NotifySettingsChanged(const std::string* setting_name);
+  void NotifyProxyPrefsChanged();
+
+  // Keeps the track of change caused by the handler to make sure
+  // it does not signal itself again.
+  bool handling_change_;
+
+  scoped_ptr<PrefSetObserver> proxy_prefs_;
+  base::WeakPtrFactory<CoreChromeOSOptionsHandler> pointer_factory_;
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_CORE_CHROMEOS_OPTIONS_HANDLER_H_