Added base::win::InitializeWindowClass() wrapper to make sure that window classes are properly asso…

chrome/browser/media_gallery/media_device_notifications_window_win.h

Index: chrome/browser/media_gallery/media_device_notifications_window_win.h
diff --git a/chrome/browser/media_gallery/media_device_notifications_window_win.h b/chrome/browser/media_gallery/media_device_notifications_window_win.h
index ebf7153b0e1a2cb965b2a406b6b654f632c2ce18..a8d96fedc1e65670596feb0aac06f18dffac51d5 100644
--- a/chrome/browser/media_gallery/media_device_notifications_window_win.h
+++ b/chrome/browser/media_gallery/media_device_notifications_window_win.h
@@ -38,6 +38,12 @@ class MediaDeviceNotificationsWindowWin {
                                        WPARAM wparam,
                                        LPARAM lparam);
 
+  // The window class of |window_|.
+  ATOM atom_;
+
+  // The handle of the module that contains the window procedure of |window_|.
+  HMODULE instance_;
+
   HWND window_;
   VolumeNameFunc volume_name_func_;