Bug 1393535 Fix unused variable warnings in dom/ r=cpearce

MozReview-Commit-ID: 1Ql20AHx1Jz
2017-08-24 11:52:36 -05:00
parent 473c14b00f
commit 2b3e28fd30
5 changed files with 4 additions and 5 deletions
--- a/dom/html/HTMLMediaElement.cpp
+++ b/dom/html/HTMLMediaElement.cpp
@@ -7642,7 +7642,7 @@ HTMLMediaElement::ReportCanPlayTelemetry()
      [thread, abstractThread]() {
 #if XP_WIN
        // Windows Media Foundation requires MSCOM to be inited.
-        HRESULT hr = CoInitializeEx(0, COINIT_MULTITHREADED);
+        DebugOnly<HRESULT> hr = CoInitializeEx(0, COINIT_MULTITHREADED);
        MOZ_ASSERT(hr == S_OK);
 #endif
        bool aac = MP4Decoder::IsSupportedType(