Do not save the position after the window is hidden

extensions/browser/app_window/app_window.cc

Index: extensions/browser/app_window/app_window.cc
diff --git a/extensions/browser/app_window/app_window.cc b/extensions/browser/app_window/app_window.cc
index 08d2e56127789ace1e1021c84167de0af0e59140..5989d61730ec9a6abd5e5ac7079216706c493414 100644
--- a/extensions/browser/app_window/app_window.cc
+++ b/extensions/browser/app_window/app_window.cc
@@ -61,6 +61,8 @@
 #include "extensions/browser/pref_names.h"
 #endif
 
+#include "ui/aura/window.h"
+
 using content::BrowserContext;
 using content::ConsoleMessageLevel;
 using content::WebContents;
@@ -504,7 +506,9 @@ void AppWindow::OnNativeWindowChanged() {
   RestoreAlwaysOnTop();  // Same as in SetNativeWindowFullscreen.
 #endif
 
-  SaveWindowPosition();
+  // Do not update the position when the window is no longer visible.
+  if (native_app_window_->GetNativeWindow()->IsVisible())
+    SaveWindowPosition();
 
 #if defined(OS_WIN)
   if (cached_always_on_top_ && !IsFullscreen() &&