1 files changed, 37 insertions, 0 deletions
diff --git a/gfx/layers/ipc/LayerTransactionChild.cpp b/gfx/layers/ipc/LayerTransactionChild.cpp
new file mode 100644
index 0000000000..4dbd40e089
--- /dev/null
+++ b/gfx/layers/ipc/LayerTransactionChild.cpp
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "LayerTransactionChild.h"
+#include "mozilla/gfx/Logging.h"
+#include "mozilla/layers/ShadowLayers.h"  // for ShadowLayerForwarder
+#include "mozilla/mozalloc.h"             // for operator delete, etc
+#include "nsTArray.h"                     // for nsTArray
+#include "mozilla/layers/TextureClient.h"
+
+namespace mozilla {
+namespace layers {
+
+void LayerTransactionChild::Destroy() {
+  if (!IPCOpen()) {
+    return;
+  }
+  // mDestroyed is used to prevent calling Send__delete__() twice.
+  // When this function is called from CompositorBridgeChild::Destroy(),
+  // under Send__delete__() call, this function is called from
+  // ShadowLayerForwarder's destructor.
+  // When it happens, IPCOpen() is still true.
+  // See bug 1004191.
+  mDestroyed = true;
+
+  SendShutdown();
+}
+
+void LayerTransactionChild::ActorDestroy(ActorDestroyReason why) {
+  mDestroyed = true;
+}
+
+}  // namespace layers
+}  // namespace mozilla