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 ad643cfc22574e18a7e35a96089f2bcc5a08c54b..006eda230ce2aac3946356b7d282b57299aa6a8e 100644
--- a/media/blink/resource_multibuffer_data_provider_unittest.cc
+++ b/media/blink/resource_multibuffer_data_provider_unittest.cc
@@ -66,7 +66,7 @@ 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_);