diff --git a/ui/ozone/platform/headless/headless_window.cc b/ui/ozone/platform/headless/headless_window.cc
index d11ccc52615c9..12b6a0c05b0a2 100644
--- a/ui/ozone/platform/headless/headless_window.cc
+++ b/ui/ozone/platform/headless/headless_window.cc
@@ -78,18 +78,26 @@ void HeadlessWindow::SetFullscreen(bool fullscreen, int64_t target_display_id) {
     return;
   }
 
+  auto weak_this = weak_ptr_factory_.GetWeakPtr();
   if (fullscreen) {
     if (window_state_ != PlatformWindowState::kMaximized &&
         window_state_ != PlatformWindowState::kFullScreen) {
       restored_bounds_ = bounds_;
     }
     ZoomWindowBounds();
+    // Dispatching OnBoundsChanged() may have synchronously destroyed |this|.
+    if (!weak_this) {
+      return;
+    }
     UpdateWindowState(PlatformWindowState::kFullScreen);
   } else {
     if (window_state_ != PlatformWindowState::kFullScreen) {
       return;
     }
     RestoreWindowBounds();
+    if (!weak_this) {
+      return;
+    }
     UpdateWindowState(PlatformWindowState::kNormal);
   }
 }
@@ -102,20 +110,33 @@ void HeadlessWindow::Maximize() {
   if (window_state_ != PlatformWindowState::kMaximized &&
       window_state_ != PlatformWindowState::kFullScreen) {
     restored_bounds_ = bounds_;
+    auto weak_this = weak_ptr_factory_.GetWeakPtr();
     ZoomWindowBounds();
+    if (!weak_this) {
+      return;
+    }
     UpdateWindowState(PlatformWindowState::kMaximized);
   }
 }
 
 void HeadlessWindow::Minimize() {
   if (window_state_ != PlatformWindowState::kMinimized) {
+    auto weak_this = weak_ptr_factory_.GetWeakPtr();
     // Minimized window retains its size and position, however, it's made
     // hidden by Aura.
     if (window_state_ == PlatformWindowState::kMaximized ||
         window_state_ == PlatformWindowState::kFullScreen) {
       RestoreWindowBounds();
+      if (!weak_this) {
+        return;
+      }
     }
     UpdateWindowState(PlatformWindowState::kMinimized);
+    // Dispatching OnWindowStateChanged() may have synchronously destroyed
+    // |this|.
+    if (!weak_this) {
+      return;
+    }
     // Minimized windows are inactive. Aura activates minimized windows
     // when restoring. If we don't deactivate the window here, the subsequent
     // activation will be optimized away, causing https://crbug.com/358998544.
@@ -125,7 +146,11 @@ void HeadlessWindow::Minimize() {
 
 void HeadlessWindow::Restore() {
   if (window_state_ != PlatformWindowState::kNormal) {
+    auto weak_this = weak_ptr_factory_.GetWeakPtr();
     RestoreWindowBounds();
+    if (!weak_this) {
+      return;
+    }
     UpdateWindowState(PlatformWindowState::kNormal);
   }
 }
diff --git a/ui/ozone/platform/headless/headless_window.h b/ui/ozone/platform/headless/headless_window.h
index 646e398135bfd..16d63d3b3bf41 100644
--- a/ui/ozone/platform/headless/headless_window.h
+++ b/ui/ozone/platform/headless/headless_window.h
@@ -9,6 +9,7 @@
 
 #include "base/memory/raw_ptr.h"
 #include "base/memory/scoped_refptr.h"
+#include "base/memory/weak_ptr.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/image/image_skia.h"
@@ -90,6 +91,8 @@ class HeadlessWindow : public PlatformWindow {
   std::optional<gfx::Rect> restored_bounds_;
   PlatformWindowState window_state_ = PlatformWindowState::kUnknown;
   ActivationState activation_state_ = ActivationState::kUnknown;
+
+  base::WeakPtrFactory<HeadlessWindow> weak_ptr_factory_{this};
 };
 
 }  // namespace ui