r=heikki. sr=jst. Fix for bug 29171. Create HTML unknown element for non-lowercased elements that are in the XHTML namespace.

content/html/document/src/nsHTMLContentSink.cpp

@@ -830,7 +830,7 @@ HTMLContentSink::CreateContentObject(const nsIParserNode& aNode,
 static NS_DEFINE_CID(kParserServiceCID, NS_PARSERSERVICE_CID);
 
 nsresult
-NS_CreateHTMLElement(nsIHTMLContent** aResult, nsINodeInfo *aNodeInfo)
+NS_CreateHTMLElement(nsIHTMLContent** aResult, nsINodeInfo *aNodeInfo, PRBool aCaseSensitive)
 {
   nsresult rv = NS_OK;
 
@@ -855,11 +855,18 @@ NS_CreateHTMLElement(nsIHTMLContent** aResult, nsINodeInfo *aNodeInfo)
       // Create atom for tag and then create content object
       rv = parserService->HTMLIdToStringTag(id, tag);
     }
-    nsCOMPtr<nsIAtom> atom(dont_AddRef(NS_NewAtom(tag.GetUnicode())));
-    nsCOMPtr<nsINodeInfo> newName;
-    aNodeInfo->NameChanged(atom, *getter_AddRefs(newName));
 
-    rv = MakeContentObject(nsHTMLTag(id), newName, nsnull, nsnull, aResult);
+    if (aCaseSensitive && tag != tmpName) 
+    {
+      rv = MakeContentObject(eHTMLTag_unknown, aNodeInfo, nsnull, nsnull, aResult);      
+    }
+    else {
+      nsCOMPtr<nsIAtom> atom(dont_AddRef(NS_NewAtom(tag.GetUnicode())));
+      nsCOMPtr<nsINodeInfo> newName;
+      aNodeInfo->NameChanged(atom, *getter_AddRefs(newName));
+
+      rv = MakeContentObject(nsHTMLTag(id), newName, nsnull, nsnull, aResult);
+    }
   }
 
   return rv;

content/xml/document/src/nsXMLContentSink.cpp

@@ -605,7 +605,7 @@ nsXMLContentSink::OpenContainer(const nsIParserNode& aNode)
     }
 
     nsCOMPtr<nsIHTMLContent> htmlContent;
-    result = NS_CreateHTMLElement(getter_AddRefs(htmlContent), nodeInfo);
+    result = NS_CreateHTMLElement(getter_AddRefs(htmlContent), nodeInfo, PR_TRUE);
     content = do_QueryInterface(htmlContent);
 
     if (tagAtom.get() == nsHTMLAtoms::textarea) {

layout/generic/nsHTMLParts.h

@@ -261,7 +261,8 @@ NS_NewHTMLUnknownElement(nsIHTMLContent** aResult, nsINodeInfo *aNodeInfo);
  */
 PR_EXTERN(nsresult)
 NS_CreateHTMLElement(nsIHTMLContent** aResult,
-                     nsINodeInfo *aNodeInfo);
+                     nsINodeInfo *aNodeInfo,
+                     PRBool aCaseSensitive = PR_FALSE);
 
 // Factory methods for creating html layout objects
 

layout/html/base/src/nsHTMLParts.h

@@ -261,7 +261,8 @@ NS_NewHTMLUnknownElement(nsIHTMLContent** aResult, nsINodeInfo *aNodeInfo);
  */
 PR_EXTERN(nsresult)
 NS_CreateHTMLElement(nsIHTMLContent** aResult,
-                     nsINodeInfo *aNodeInfo);
+                     nsINodeInfo *aNodeInfo,
+                     PRBool aCaseSensitive = PR_FALSE);
 
 // Factory methods for creating html layout objects