tor-browser

commit a7968b10d6ab9a6b6f482be44dd1c58a7a2a2f37
parent f1a873656d29aca8117f255b477517e2c120f4a3
Author: Cristina Horotan <chorotan@mozilla.com>
Date:   Thu,  9 Oct 2025 03:16:05 +0300

Revert "Bug 1993383 - Trigger a repaint of the window in the parent process after a GPU process crash. r=bradwerth" for causing build bustages at nsCocoaWindow.mm

This reverts commit 91b75d161ff7c2a7de6d2cc01cefdbc269e8fd01.

Diffstat:
M
widget/cocoa/nsCocoaWindow.h
 | 
8
++++++--
M
widget/cocoa/nsCocoaWindow.mm
 | 
24
------------------------

2 files changed, 6 insertions(+), 26 deletions(-)
diff --git a/widget/cocoa/nsCocoaWindow.h b/widget/cocoa/nsCocoaWindow.h
@@ -391,9 +391,13 @@ class nsCocoaWindow final : public nsBaseWidget {
   bool WidgetPaintsBackground() override { return true; }
 
   void CreateCompositor(int aWidth, int aHeight) override;
+  static void FinishCreateCompositor(
+      int aWidth, int aHeight,
+      mozilla::ipc::Endpoint<mozilla::layers::PNativeLayerRemoteParent>&&
+          aParentEndpoint,
+      RefPtr<mozilla::layers::NativeLayerRootRemoteMacParent>
+          aNativeLayerRootRemoteMacParent);
   void DestroyCompositor() override;
-  void NotifyCompositorSessionLost(
-      mozilla::layers::CompositorSession* aSession) override;
   void SetCompositorWidgetDelegate(
       mozilla::widget::CompositorWidgetDelegate*) override;
 
diff --git a/widget/cocoa/nsCocoaWindow.mm b/widget/cocoa/nsCocoaWindow.mm
@@ -974,30 +974,6 @@ void nsCocoaWindow::DestroyCompositor() {
   nsBaseWidget::DestroyCompositor();
 }
 
-void nsCocoaWindow::NotifyCompositorSessionLost(
-    mozilla::layers::CompositorSession* aSession) {
-  // The GPU process has crashed.
-  //
-  // Trigger a repaint of this window.
-  // Without this, WebRender won't receive a display list for this
-  // window until something else triggers a parent-side repaint. So tab
-  // contents would remain frozen until the user moves the mouse over a
-  // UI element, for example.
-  //
-  // The Windows equivalent to this code is InvalidateWindowForDeviceReset.
-  //
-  // We wait for a short time before the repaint in order to avoid
-  // flashing tab content - if we were to trigger the parent-side paint
-  // immediately, the composite would briefly hide the tab contents because
-  // the new compositor won't have a display list for the tab yet.
-  const double kTriggerPaintDelayAfterGpuProcessCrash = 0.4;  // 400ms
-  [mChildView performSelector:@selector(markLayerForDisplay)
-                   withObject:nil
-                   afterDelay:kTriggerPaintDelayAfterGpuProcessCrash];
-
-  nsBaseWidget::NotifyCompositorSessionLost(aSession);
-}
-
 void nsCocoaWindow::SetCompositorWidgetDelegate(
     mozilla::widget::CompositorWidgetDelegate* aDelegate) {
   if (aDelegate) {