1 files changed, 6 insertions, 0 deletions
diff --git a/Tools/DumpRenderTree/chromium/WebUserMediaClientMock.cpp b/Tools/DumpRenderTree/chromium/WebUserMediaClientMock.cpp
index 4efeb82d3..a373c3b30 100644
--- a/Tools/DumpRenderTree/chromium/WebUserMediaClientMock.cpp
+++ b/Tools/DumpRenderTree/chromium/WebUserMediaClientMock.cpp
@@ -33,6 +33,7 @@
 
 #include "WebUserMediaClientMock.h"
 
+#include "WebDocument.h"
 #include "WebMediaStreamRegistry.h"
 #include "WebUserMediaRequest.h"
 #include "platform/WebMediaStreamDescriptor.h"
@@ -57,6 +58,11 @@ void WebUserMediaClientMock::requestUserMedia(const WebUserMediaRequest& streamR
     ASSERT(!streamRequest.isNull());
     WebUserMediaRequest request = streamRequest;
 
+    if (request.ownerDocument().isNull() || !request.ownerDocument().frame()) {
+        request.requestFailed();
+        return;
+    }
+
     const size_t zero = 0;
     const size_t one = 1;
     WebVector<WebMediaStreamSource> audioSources(request.audio() ? one : zero);