Initialize AVFoundation explicitly

media/video/capture/video_capture_device_unittest.cc

Index: media/video/capture/video_capture_device_unittest.cc
diff --git a/media/video/capture/video_capture_device_unittest.cc b/media/video/capture/video_capture_device_unittest.cc
index 8968fb375e88f7d944e9a312510bedad3374f799..3ae4ef5c07d9e9bdaf2eb9e006e98a8ac5e5b9b3 100644
--- a/media/video/capture/video_capture_device_unittest.cc
+++ b/media/video/capture/video_capture_device_unittest.cc
@@ -23,6 +23,7 @@
 #endif
 
 #if defined(OS_MACOSX)
+#include "media/base/mac/avfoundation_glue.h"
 #include "media/video/capture/mac/video_capture_device_factory_mac.h"
 #endif
 
@@ -58,7 +59,6 @@ using ::testing::_;
 using ::testing::SaveArg;
 
 namespace media {
-
 namespace {
 
 static const gfx::Size kCaptureSizes[] = {
@@ -156,6 +156,9 @@ class VideoCaptureDeviceTest :
     VideoCaptureDeviceAndroid::RegisterVideoCaptureDevice(
         base::android::AttachCurrentThread());
 #endif
+#if defined(OS_MACOSX)
+    AVFoundationGlue::InitializeAVFoundation();
+#endif
     EXPECT_CALL(*client_, OnIncomingCapturedYuvData(_,_,_,_,_,_,_,_,_))
                .Times(0);
     EXPECT_CALL(*client_, DoReserveOutputBuffer()).Times(0);