Add a CFX_XMLDocument class.

This CL adds a CFX_XMLDocument to act as the XML node container. All
nodes are now owned by the document and the document is returned by the
CFX_XMLParser.

Classes which parse XML files now store the document instead of the root
node.

BUG: chromium:835636
Change-Id: I1e07d6115cf14714911d6fd4c3fa920c94fd5faf
Reviewed-on: https://pdfium-review.googlesource.com/31313
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/xfa/fxfa/cxfa_ffdoc.h b/xfa/fxfa/cxfa_ffdoc.h
index dacc246378..356a157437 100644
--- a/xfa/fxfa/cxfa_ffdoc.h
+++ b/xfa/fxfa/cxfa_ffdoc.h
@@ -19,6 +19,7 @@
 class CFGAS_PDFFontMgr;
 class CFX_ChecksumContext;
 class CFX_DIBitmap;
+class CFX_XMLDocument;
 class CPDF_Document;
 class CPDF_Object;
 class CXFA_FFApp;
@@ -59,7 +60,7 @@ class CXFA_FFDoc {
     return m_pDocEnvironment.Get();
   }
   FormType GetFormType() const { return m_FormType; }
-
+  CFX_XMLDocument* GetXMLDocument() const { return m_pXMLDoc.get(); }
 
   CXFA_FFDocView* CreateDocView();
 
@@ -85,7 +86,7 @@ class CXFA_FFDoc {
   UnownedPtr<IXFA_DocEnvironment> const m_pDocEnvironment;
   UnownedPtr<CXFA_FFApp> const m_pApp;
   UnownedPtr<CPDF_Document> m_pPDFDoc;
-  std::unique_ptr<CFX_XMLNode> m_pXMLRoot;
+  std::unique_ptr<CFX_XMLDocument> m_pXMLDoc;
   std::unique_ptr<CXFA_FFNotify> m_pNotify;
   std::unique_ptr<CXFA_Document> m_pDocument;
   std::unique_ptr<CXFA_FFDocView> m_DocView;