Remove the WM_SYSCOMMAND handling from the LegacyRenderWidgetHostHWND class.

ui/views/win/hwnd_message_handler.cc

Index: ui/views/win/hwnd_message_handler.cc
diff --git a/ui/views/win/hwnd_message_handler.cc b/ui/views/win/hwnd_message_handler.cc
index cc2ea8621eca9e6701317124df61f88af1743047..f8b7f86a2793c61241990bc91a4a0fb627cf9b4f 100644
--- a/ui/views/win/hwnd_message_handler.cc
+++ b/ui/views/win/hwnd_message_handler.cc
@@ -981,16 +981,6 @@ LRESULT HWNDMessageHandler::HandleNcHitTestMessage(unsigned int message,
   return ret;
 }
 
-LRESULT HWNDMessageHandler::HandleSysCommand(unsigned int message,
-                                             WPARAM w_param,
-                                             LPARAM l_param,
-                                             bool* handled) {
-  OnSysCommand(static_cast<UINT>(w_param),
-               gfx::Point(CR_GET_X_LPARAM(l_param), CR_GET_Y_LPARAM(l_param)));
-  *handled = IsMsgHandled();
-  return 0;
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // HWNDMessageHandler, private: