tor-browser

commit fe7d827d99aa45e5ef4d81b35331e58be4a1a5c0
parent 4b9ab67d81cc608a8029323433f5d1374ae8d319
Author: Emilio Cobos Álvarez <emilio@crisal.io>
Date:   Tue,  4 Nov 2025 17:43:08 +0000

Bug 1998218 - Don't go through the view manager to paint in BrowserChild. r=jwatt

This should not be a behavior change because puppet widgets paint
as transparent anyways (see bug 1994908), so if there's no root frame
it's effectively the same as not painting.

Differential Revision: https://phabricator.services.mozilla.com/D271257

Diffstat:
M
dom/ipc/BrowserChild.cpp
 | 
11
+++--------

1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/dom/ipc/BrowserChild.cpp b/dom/ipc/BrowserChild.cpp
@@ -118,7 +118,6 @@
 #include "nsThreadManager.h"
 #include "nsThreadUtils.h"
 #include "nsVariant.h"
-#include "nsViewManager.h"
 #include "nsWebBrowser.h"
 #include "nsWindowWatcher.h"
 
@@ -3064,13 +3063,9 @@ mozilla::ipc::IPCResult BrowserChild::RecvRenderLayers(const bool& aEnabled) {
   presShell->SuppressDisplayport(true);
   if (nsContentUtils::IsSafeToRunScript()) {
     WebWidget()->PaintNowIfNeeded();
-  } else {
-    RefPtr<nsViewManager> vm = presShell->GetViewManager();
-    if (nsView* view = vm->GetRootView()) {
-      presShell->PaintAndRequestComposite(
-          view->GetFrame(), view->GetWidget()->GetWindowRenderer(),
-          PaintFlags::None);
-    }
+  } else if (nsIFrame* root = presShell->GetRootFrame()) {
+    presShell->PaintAndRequestComposite(
+        root, mPuppetWidget->GetWindowRenderer(), PaintFlags::None);
   }
   presShell->SuppressDisplayport(false);
   return IPC_OK();