chore: remove no-op force-paint for hidden windows (#35532)

* chore: remove no-op force-paint for hidden windows

* fix build

shell/browser/api/electron_api_browser_window.cc

@@ -158,17 +158,6 @@ void BrowserWindow::RenderViewHostChanged(content::RenderViewHost* old_host,
     new_host->GetWidget()->AddInputEventObserver(this);
 }
 
-void BrowserWindow::DidFirstVisuallyNonEmptyPaint() {
-  if (window()->IsClosed() || window()->IsVisible())
-    return;
-
-  // When there is a non-empty first paint, resize the RenderWidget to force
-  // Chromium to draw.
-  auto* const view = web_contents()->GetRenderWidgetHostView();
-  view->Show();
-  view->SetSize(window()->GetContentSize());
-}
-
 void BrowserWindow::BeforeUnloadDialogCancelled() {
   WindowList::WindowCloseCancelled(window());
   // Cancel unresponsive event when window close is cancelled.

shell/browser/api/electron_api_browser_window.h

@@ -49,7 +49,6 @@ class BrowserWindow : public BaseWindow,
   // content::WebContentsObserver:
   void RenderViewHostChanged(content::RenderViewHost* old_host,
                              content::RenderViewHost* new_host) override;
-  void DidFirstVisuallyNonEmptyPaint() override;
   void BeforeUnloadDialogCancelled() override;
   void OnRendererUnresponsive(content::RenderProcessHost*) override;
   void OnRendererResponsive(