[Cast] Refresh cast button visibility when disableRemotePlayback attribute changes

third_party/WebKit/Source/core/html/HTMLMediaElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
index 8350fcb0cf2464affadb823b82fecfd240eec185..617bad3cd641e9a7bf1e4b5b9079f621ea4ba1c1 100644
--- a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
@@ -590,6 +590,8 @@ void HTMLMediaElement::parseAttribute(const QualifiedName& name,
     setPlayerPreload();
   } else if (name == disableremoteplaybackAttr) {
     UseCounter::count(document(), UseCounter::DisableRemotePlaybackAttribute);
+    if (mediaControls() && (oldValue != value))
+      mediaControls()->refreshCastButtonVisibility();
   } else {
     HTMLElement::parseAttribute(name, oldValue, value);
   }