1 files changed, 13 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/Source/WebCore/html/shadow/MediaControls.h b/src/3rdparty/webkit/Source/WebCore/html/shadow/MediaControls.h
index 9acdb65b59..e4a2f5e234 100644
--- a/src/3rdparty/webkit/Source/WebCore/html/shadow/MediaControls.h
+++ b/src/3rdparty/webkit/Source/WebCore/html/shadow/MediaControls.h
@@ -68,13 +68,26 @@ class MediaControls : public HTMLDivElement {
     virtual void updateTimeDisplay() = 0;
     virtual void updateStatusDisplay() = 0;
 
+    virtual bool shouldHideControls() = 0;
+
 protected:
     MediaControls(HTMLMediaElement*);
 
 private:
     MediaControls();
+
+    virtual bool isMediaControls() const { return true; }
 };
 
+inline MediaControls* toMediaControls(Node* node)
+{
+    ASSERT(!node || node->isMediaControls());
+    return static_cast<MediaControls*>(node);
+}
+
+// This will catch anyone doing an unneccessary cast.
+void toMediaControls(const Node*);
+
 }
 
 #endif