Show download button even when preload=none

third_party/WebKit/Source/core/html/shadow/MediaControls.cpp

Index: third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
diff --git a/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp b/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
index be254c189d6f550806ce1b75e1f249092ae3b1e8..21cea2dee9930a09636a566424bfddf015f5bc85 100644
--- a/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
+++ b/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
@@ -961,6 +961,11 @@ void MediaControls::networkStateChanged() {
   invalidate(m_downloadButton);
   invalidate(m_timeline);
   invalidate(m_volumeSlider);
+
+  // Update the display state of the download button in case we now have a
+  // source or no longer have a source.
+  m_downloadButton->setIsWanted(
+      m_downloadButton->shouldDisplayDownloadButton());
 }
 
 bool MediaControls::overflowMenuVisible() {