Fix bug 105043: Panels [WIN]: For minimize panels, taskbar hover preview show the 4-pixel represent…

ui/views/widget/native_widget_win.h

Index: ui/views/widget/native_widget_win.h
diff --git a/ui/views/widget/native_widget_win.h b/ui/views/widget/native_widget_win.h
index 5e1b7b71db1dab00f2f15817e880169398000674..b17fb3758d5eed29dbc36611a4a8c47b2644573d 100644
--- a/ui/views/widget/native_widget_win.h
+++ b/ui/views/widget/native_widget_win.h
@@ -293,6 +293,12 @@ class VIEWS_EXPORT NativeWidgetWin : public ui::WindowImpl,
     // Vista and newer
     MESSAGE_HANDLER_EX(WM_DWMCOMPOSITIONCHANGED, OnDwmCompositionChanged)
 
+    // Windows 7 and newer
+    MESSAGE_HANDLER_EX(WM_DWMSENDICONICTHUMBNAIL,
+                       OnDwmSendIconicThumbnail)
+    MESSAGE_HANDLER_EX(WM_DWMSENDICONICLIVEPREVIEWBITMAP,
+                       OnDwmSendIconicLivePreviewBitmap)
+
     // Non-atlcrack.h handlers
     MESSAGE_HANDLER_EX(WM_GETOBJECT, OnGetObject)
 
@@ -385,6 +391,12 @@ class VIEWS_EXPORT NativeWidgetWin : public ui::WindowImpl,
   virtual LRESULT OnDwmCompositionChanged(UINT msg,
                                           WPARAM w_param,
                                           LPARAM l_param);
+  virtual LRESULT OnDwmSendIconicThumbnail(UINT msg,
+                                           WPARAM w_param,
+                                           LPARAM l_param);
+  virtual LRESULT OnDwmSendIconicLivePreviewBitmap(UINT msg,
+                                                   WPARAM w_param,
+                                                   LPARAM l_param);
   virtual void OnEndSession(BOOL ending, UINT logoff);
   virtual void OnEnterSizeMove();
   virtual LRESULT OnEraseBkgnd(HDC dc);