Removed all occurences of ondialogaccept.
Removed all occurences of ondialogcancel.
Replaced all removed attributes with event handlers.
Differential Revision: https://phabricator.services.mozilla.com/D21227
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extra : moz-landing-system : lando
Move functionality out of XULDocument::AddElementToDocumentPost:
1) Convert all XUL link elements into HTML link elements which have
code to handle when they are added to the DOM.
2) Move handling of the end of a linkset element into nsXULElement's DoneAddingChildren callback.
3) Move document direction reset to where the root element is created.
Differential Revision: https://phabricator.services.mozilla.com/D19739
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extra : moz-landing-system : lando
Convert resetProfile.dtd to resetProfile.ftl. Modify dependencies for resetProfile.xul, safeMode.xul, aboutSupport.xhtml.
Differential Revision: https://phabricator.services.mozilla.com/D17416
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extra : moz-landing-system : lando