Files.app: Start to use DeviceEventRouter.

chrome/browser/chromeos/extensions/file_manager/device_event_router.h

Index: chrome/browser/chromeos/extensions/file_manager/device_event_router.h
diff --git a/chrome/browser/chromeos/extensions/file_manager/device_event_router.h b/chrome/browser/chromeos/extensions/file_manager/device_event_router.h
index 175273324a479470ba54a64e319bd0ea9b799fa2..9a149cdb1b5f48330aee1144239bc10f8e498fd7 100644
--- a/chrome/browser/chromeos/extensions/file_manager/device_event_router.h
+++ b/chrome/browser/chromeos/extensions/file_manager/device_event_router.h
@@ -57,13 +57,13 @@ class DeviceEventRouter : public VolumeManagerObserver,
   virtual void OnFormatCompleted(const std::string& device_path,
                                  bool success) OVERRIDE;
 
-  // TODO(hirono): Remove the method from VolumeManagerObserver.
-  virtual void OnHardUnplugged(const std::string& device_path) OVERRIDE;
-
   // PowerManagerClient::Observer overrides.
   virtual void SuspendImminent() OVERRIDE;
   virtual void SuspendDone(const base::TimeDelta& sleep_duration) OVERRIDE;
 
+  bool is_resuming() const { return is_resuming_; }
+  bool is_starting_up() const { return is_starting_up_; }
+
  protected:
   // Handles a device event containing |type| and |device_path|.
   virtual void OnDeviceEvent(