Dismiss EME infobar when WebMediaPlayer is destroyed.

content/public/browser/web_contents_delegate.h

Index: content/public/browser/web_contents_delegate.h
diff --git a/content/public/browser/web_contents_delegate.h b/content/public/browser/web_contents_delegate.h
index 7f37194857a94407a5cdcb5261d72c9edeffe83b..ef8a0ceccc469e45600cd2a46ca987501ad6f16c 100644
--- a/content/public/browser/web_contents_delegate.h
+++ b/content/public/browser/web_contents_delegate.h
@@ -391,13 +391,6 @@ class CONTENT_EXPORT WebContentsDelegate {
                                    int version,
                                    const std::vector<gfx::RectF>& rects,
                                    const gfx::RectF& active_rect) {}
-
-  // Request permission to access protected media identifier. The callback will
-  // tell whether it's allowed.
-  virtual void RequestProtectedMediaIdentifierPermission(
-      const WebContents* web_contents,
-      const GURL& frame_url,
-      const base::Callback<void(bool)>& callback) {}
 #endif
 
   // Invoked when the preferred size of the contents has been changed.