Bug 820508 part 4 - Make <main> have the HTMLElement DOM interface. r=smaug.

content/html/content/test/test_bug389797.html

@@ -171,6 +171,7 @@ HTML_TAG("legend", "Legend");
 HTML_TAG("li", "LI");
 HTML_TAG("link", "Link", [ "nsIDOMLinkStyle" ]);
 HTML_TAG("listing", "");
+HTML_TAG("main", "");
 HTML_TAG("map", "Map");
 HTML_TAG("mark", "");
 HTML_TAG("marquee", "Div");

editor/libeditor/base/nsEditPropertyAtomList.h

@@ -114,6 +114,7 @@ EDITOR_ATOM(keygen, "keygen")
 EDITOR_ATOM(label, "label")
 EDITOR_ATOM(legend, "legend")
 EDITOR_ATOM(li, "li")
+EDITOR_ATOM(main, "main")
 EDITOR_ATOM(map, "map")
 EDITOR_ATOM(mark, "mark")
 EDITOR_ATOM(meter, "meter")

editor/libeditor/html/nsHTMLEditUtils.cpp

@@ -534,7 +534,7 @@ nsHTMLEditUtils::SupportsAlignAttr(nsIDOMNode* aNode)
 
 // address, applet, article, aside, blockquote, button, center, del, dir, div,
 // dl, fieldset, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup,
-// hr, iframe, ins, map, menu, nav, noframes, noscript, object, ol, p,
+// hr, iframe, ins, main, map, menu, nav, noframes, noscript, object, ol, p,
 // pre, table, section, ul
 #define GROUP_BLOCK            (1 << 7)
 
@@ -697,6 +697,7 @@ static const nsElementInfo kElements[eHTMLTag_userdefined] = {
   ELEM(li, true, false, GROUP_LI, GROUP_FLOW_ELEMENT),
   ELEM(link, false, false, GROUP_HEAD_CONTENT, GROUP_NONE),
   ELEM(listing, false, false, GROUP_NONE, GROUP_NONE),
+  ELEM(main, true, true, GROUP_BLOCK, GROUP_FLOW_ELEMENT),
   ELEM(map, true, true, GROUP_SPECIAL, GROUP_BLOCK | GROUP_MAP_CONTENT),
   ELEM(mark, true, true, GROUP_PHRASE, GROUP_INLINE_ELEMENT),
   ELEM(marquee, false, false, GROUP_NONE, GROUP_NONE),

parser/htmlparser/public/nsHTMLTagList.h

@@ -106,6 +106,7 @@ HTML_TAG(legend, Legend)
 HTML_TAG(li, LI)
 HTML_TAG(link, Link)
 HTML_HTMLELEMENT_TAG(listing)
+HTML_HTMLELEMENT_TAG(main)
 HTML_TAG(map, Map)
 HTML_HTMLELEMENT_TAG(mark)
 HTML_TAG(marquee, Div)

parser/htmlparser/src/nsElementTable.cpp

@@ -786,6 +786,15 @@ const nsHTMLElement gHTMLElements[] = {
     /*special props, prop-range*/       0,kDefaultPropRange,
     /*special parents,kids*/            0,0,
   },
+  {
+    /*tag*/                             eHTMLTag_main,
+    /*req-parent excl-parent*/          eHTMLTag_unknown,eHTMLTag_unknown,
+    /*rootnodes,endrootnodes*/          &gRootTags,&gRootTags,
+    /*autoclose starttags and endtags*/ 0,0,0,0,
+    /*parent,incl,exclgroups*/          kBlock, (kSelf|kFlowEntity), kNone,
+    /*special props, prop-range*/       0,kDefaultPropRange,
+    /*special parents,kids*/            0,0,
+  },
   {
     /*tag*/                             eHTMLTag_map,
     /*req-parent excl-parent*/          eHTMLTag_unknown,eHTMLTag_unknown,

parser/htmlparser/src/nsHTMLTags.cpp

@@ -161,6 +161,8 @@ static const PRUnichar sHTMLTagUnicodeName_link[] =
   {'l', 'i', 'n', 'k', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_listing[] =
   {'l', 'i', 's', 't', 'i', 'n', 'g', '\0'};
+static const PRUnichar sHTMLTagUnicodeName_main[] =
+  {'m', 'a', 'i', 'n', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_map[] =
   {'m', 'a', 'p', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_mark[] =