Use UnownedPtr/Optional in cfxa_layoutcontext.cpp

Introduce cfxa_layoutcontext.cpp to satisfy chromium style ctor check.
Fix typo in class forward declaration in cfxa_layoutcontext.h

Change-Id: I2b29bf61a21be0f895faf8984897c5655a4f0e89
Reviewed-on: https://pdfium-review.googlesource.com/37950
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>

1 files changed, 11 insertions, 14 deletions

diff --git a/xfa/fxfa/parser/cxfa_layoutcontext.h b/xfa/fxfa/parser/cxfa_layoutcontext.h
index a133ee19d9..9927d3e534 100644
--- a/xfa/fxfa/parser/cxfa_layoutcontext.h
+++ b/xfa/fxfa/parser/cxfa_layoutcontext.h
@@ -9,24 +9,21 @@
 
 #include <vector>
 
-class CXFA_ItemLayoutProcess;
+#include "core/fxcrt/unowned_ptr.h"
+#include "third_party/base/optional.h"
+
+class CXFA_ItemLayoutProcessor;
 class CXFA_Node;
 
 class CXFA_LayoutContext {
  public:
-  CXFA_LayoutContext()
-      : m_prgSpecifiedColumnWidths(nullptr),
-        m_fCurColumnWidth(0),
-        m_bCurColumnWidthAvaiable(false),
-        m_pOverflowProcessor(nullptr),
-        m_pOverflowNode(nullptr) {}
-  ~CXFA_LayoutContext() {}
-
-  std::vector<float>* m_prgSpecifiedColumnWidths;
-  float m_fCurColumnWidth;
-  bool m_bCurColumnWidthAvaiable;
-  CXFA_ItemLayoutProcessor* m_pOverflowProcessor;
-  CXFA_Node* m_pOverflowNode;
+  CXFA_LayoutContext();
+  ~CXFA_LayoutContext();
+
+  Optional<float> m_fCurColumnWidth;
+  UnownedPtr<std::vector<float>> m_prgSpecifiedColumnWidths;
+  UnownedPtr<CXFA_ItemLayoutProcessor> m_pOverflowProcessor;
+  UnownedPtr<CXFA_Node> m_pOverflowNode;
 };
 
 #endif  // XFA_FXFA_PARSER_CXFA_LAYOUTCONTEXT_H_