From 54b4fb0be65011d4ba706144a2a508a3a74796ac Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Wed, 3 Jun 2020 09:44:20 +0000
Subject: Bug 1632717

---
 dom/media/eme/MediaEncryptedEvent.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'dom/media/eme/MediaEncryptedEvent.cpp')

diff --git a/dom/media/eme/MediaEncryptedEvent.cpp b/dom/media/eme/MediaEncryptedEvent.cpp
index 8e2595fcb..fe1c8a3bc 100644
--- a/dom/media/eme/MediaEncryptedEvent.cpp
+++ b/dom/media/eme/MediaEncryptedEvent.cpp
@@ -87,10 +87,10 @@ MediaEncryptedEvent::Constructor(const GlobalObject& aGlobal,
   e->mInitDataType = aEventInitDict.mInitDataType;
   if (!aEventInitDict.mInitData.IsNull()) {
     const auto& a = aEventInitDict.mInitData.Value();
-    a.ComputeLengthAndData();
-    e->mInitData = ArrayBuffer::Create(aGlobal.Context(),
-                                       a.Length(),
-                                       a.Data());
+    nsTArray<uint8_t> initData;
+    CopyArrayBufferViewOrArrayBufferData(a, initData);
+    e->mInitData = ArrayBuffer::Create(aGlobal.Context(), initData.Length(),
+                                       initData.Elements());
     if (!e->mInitData) {
       aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
       return nullptr;
-- 
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