Fire visibilityChange event on out-of-process iframes.

media/blink/resource_multibuffer_data_provider_unittest.cc

Index: media/blink/resource_multibuffer_data_provider_unittest.cc
diff --git a/media/blink/resource_multibuffer_data_provider_unittest.cc b/media/blink/resource_multibuffer_data_provider_unittest.cc
index 362703d5e1b950cf264aa1532bf16faa933de77e..93723ede878fd12924d52b0c6279df2d492a21c8 100644
--- a/media/blink/resource_multibuffer_data_provider_unittest.cc
+++ b/media/blink/resource_multibuffer_data_provider_unittest.cc
@@ -65,7 +65,7 @@ static bool CorrectAcceptEncoding(const blink::WebURLRequest& request) {
 class ResourceMultiBufferDataProviderTest : public testing::Test {
  public:
   ResourceMultiBufferDataProviderTest()
-      : view_(WebView::create(nullptr)),
+      : view_(WebView::create(nullptr, blink::WebPageVisibilityStateVisible)),
         frame_(WebLocalFrame::create(blink::WebTreeScopeType::Document,
                                      &client_)) {
     view_->setMainFrame(frame_);