Bug 1406980 - Fix the -Wunused-lambda-capture warning r=gerald

MozReview-Commit-ID: HtItBaoGenR

--HG--
extra : rebase_source : 3d7c91f2fb4fd067f0ab78e033b5279162658338

dom/media/doctor/gtest/TestMultiWriterQueue.cpp

@@ -148,7 +148,7 @@ TestMultiWriterQueueMT(int aWriterThreads,
   q.PopAll([&pops](const int& i) { ++pops; });
   const int pushes = aWriterThreads * loops;
   EXPECT_EQ(pushes, pops);
-  q.PopAll([&pops](const int& i) { EXPECT_TRUE(false); });
+  q.PopAll([](const int& i) { EXPECT_TRUE(false); });
 
   double duration = mozilla::ToSeconds(mozilla::DDNow()) - start - 0.1;
   printf("%s threads=%dw+%dr loops/thread=%d pushes=pops=%d duration=%fs "
@@ -397,4 +397,4 @@ TEST(MultiWriterQueue, nsDequeBenchmark)
     8, 0, 2 * 1024 * 1024, "DequeWrapperMT ");
   TestMultiWriterQueueMT<DequeWrapperMT>(
     8, 1, 2 * 1024 * 1024, "DequeWrapperMT ");
-}
+}