Remove Profile dependency from TiclInvalidationService

chrome/browser/invalidation/ticl_settings_provider.h

+// Copyright 2014 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_INVALIDATION_TICL_SETTINGS_PROVIDER_H_
+#define CHROME_BROWSER_INVALIDATION_TICL_SETTINGS_PROVIDER_H_
+
+#include "base/macros.h"
+#include "base/observer_list.h"
+
+namespace invalidation {
+
+// Provides configuration settings to TiclInvalidationService and notifies it
+// when the settings change.
+class TiclSettingsProvider {
+ public:
+  class Observer {
+   public:
+    virtual void OnUseGCMChannelChanged() = 0;
+
+   protected:
+    virtual ~Observer();
+  };
+
+  TiclSettingsProvider();
+  virtual ~TiclSettingsProvider();
+
+  virtual bool UseGCMChannel() const = 0;
+
+  void AddObserver(Observer* observer);
+  void RemoveObserver(Observer* observer);
+
+ protected:
+  void FireOnUseGCMChannelChanged();
+
+ private:
+  ObserverList<Observer, true> observers_;
+
+  DISALLOW_COPY_AND_ASSIGN(TiclSettingsProvider);
+};
+
+}  // namespace invalidation
+
+#endif  // CHROME_BROWSER_INVALIDATION_TICL_SETTINGS_PROVIDER_H_