Support chrome_to_mobile job receiving

chrome/browser/chrome_to_mobile/receive/chrome_to_mobile_receive_service_observer.h

Index: chrome/browser/chrome_to_mobile/receive/chrome_to_mobile_receive_service_observer.h
diff --git a/chrome/browser/chrome_to_mobile/receive/chrome_to_mobile_receive_service_observer.h b/chrome/browser/chrome_to_mobile/receive/chrome_to_mobile_receive_service_observer.h
new file mode 100644
index 0000000000000000000000000000000000000000..2b70bd7641630cf9db0c698981d55553fd7a78c8
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+++ b/chrome/browser/chrome_to_mobile/receive/chrome_to_mobile_receive_service_observer.h
@@ -0,0 +1,24 @@
+// Copyright 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_CHROME_TO_MOBILE_RECEIVE_CHROME_TO_MOBILE_RECEIVE_SERVICE_OBSERVER_H_
+#define CHROME_BROWSER_CHROME_TO_MOBILE_RECEIVE_CHROME_TO_MOBILE_RECEIVE_SERVICE_OBSERVER_H_
+
+#include "base/basictypes.h"
+
+// Abstract class that declares APIs exposed to UI when the status of
+// ChromeToMobileReceiveService is changed.
+class ChromeToMobileReceiveServiceObserver {
+ public:
+  ChromeToMobileReceiveServiceObserver();
+  virtual ~ChromeToMobileReceiveServiceObserver();
+
+  virtual void OnStateChange() = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ChromeToMobileReceiveServiceObserver);
+};
+
+#endif  // CHROME_BROWSER_CHROME_TO_MOBILE_RECEIVE_CHROME_TO_MOBILE_RECEIVE_SERVICE_OBSERVER_H_
+