Move CPDF_PageObjectHolder::m_pFormStream to CPDF_Form.

This member variable is only used in the CPDF_Form subclass.

Change-Id: Ib922228e51f5c3b370027e565d04ffe47374a320
Reviewed-on: https://pdfium-review.googlesource.com/33830
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

4 files changed, 9 insertions, 3 deletions

diff --git a/core/fpdfapi/page/cpdf_contentparser.cpp b/core/fpdfapi/page/cpdf_contentparser.cpp
index c74a889ff6..82f288f22b 100644
--- a/core/fpdfapi/page/cpdf_contentparser.cpp
+++ b/core/fpdfapi/page/cpdf_contentparser.cpp
@@ -106,7 +106,7 @@ CPDF_ContentParser::CPDF_ContentParser(CPDF_Form* pForm,
     pState->SetSoftMask(nullptr);
   }
   RetainPtr<CPDF_StreamAcc> pSingleStream =
-      pdfium::MakeRetain<CPDF_StreamAcc>(pForm->m_pFormStream.Get());
+      pdfium::MakeRetain<CPDF_StreamAcc>(pForm->GetStream());
   pSingleStream->LoadAllDataFiltered();
   m_StreamArray.push_back(pSingleStream);
 }
diff --git a/core/fpdfapi/page/cpdf_form.cpp b/core/fpdfapi/page/cpdf_form.cpp
index a63d3ce96d..5132029072 100644
--- a/core/fpdfapi/page/cpdf_form.cpp
+++ b/core/fpdfapi/page/cpdf_form.cpp
@@ -50,3 +50,7 @@ void CPDF_Form::ParseContent(CPDF_AllStates* pGraphicStates,
 
   ContinueParse(nullptr);
 }
+
+const CPDF_Stream* CPDF_Form::GetStream() const {
+  return m_pFormStream.Get();
+}
diff --git a/core/fpdfapi/page/cpdf_form.h b/core/fpdfapi/page/cpdf_form.h
index 9f2987ddb6..155a6ae50f 100644
--- a/core/fpdfapi/page/cpdf_form.h
+++ b/core/fpdfapi/page/cpdf_form.h
@@ -32,8 +32,12 @@ class CPDF_Form : public CPDF_PageObjectHolder {
                     CPDF_Type3Char* pType3Char,
                     std::set<const uint8_t*>* parsedSet);
 
+  const CPDF_Stream* GetStream() const;
+
  private:
   std::unique_ptr<std::set<const uint8_t*>> m_ParsedSet;
+
+  UnownedPtr<CPDF_Stream> m_pFormStream;
 };
 
 #endif  // CORE_FPDFAPI_PAGE_CPDF_FORM_H_
diff --git a/core/fpdfapi/page/cpdf_pageobjectholder.h b/core/fpdfapi/page/cpdf_pageobjectholder.h
index 61004444c0..816a294149 100644
--- a/core/fpdfapi/page/cpdf_pageobjectholder.h
+++ b/core/fpdfapi/page/cpdf_pageobjectholder.h
@@ -84,8 +84,6 @@ class CPDF_PageObjectHolder {
   void Transform(const CFX_Matrix& matrix);
   CFX_FloatRect CalcBoundingBox() const;
 
-  // TODO(thestig): Move |m_pFormStream| into CPDF_Form.
-  UnownedPtr<CPDF_Stream> m_pFormStream;
   UnownedPtr<CPDF_Dictionary> m_pPageResources;
   UnownedPtr<CPDF_Dictionary> m_pResources;
   std::map<GraphicsData, ByteString> m_GraphicsMap;