Move ExtensionsProcessManager to src/extensions, part 2

chrome/browser/extensions/chrome_notification_observer.h

+// Copyright 2013 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_CHROME_NOTIFICATION_OBSERVER_H_
+#define CHROME_BROWSER_EXTENSIONS_CHROME_NOTIFICATION_OBSERVER_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+
+class Browser;
+
+namespace extensions {
+
+// Observer for Chrome-specific notifications that need to be relayed to the
+// extensions module.
+class ChromeNotificationObserver : public content::NotificationObserver {
+ public:
+  ChromeNotificationObserver();
+  virtual ~ChromeNotificationObserver();
+
+  void OnBrowserWindowReady(Browser* browser);
+
+  // content::NotificationObserver overrides:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+ private:
+  content::NotificationRegistrar registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeNotificationObserver);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_CHROME_NOTIFICATION_OBSERVER_H_