Change CPDF_Form::ParseContent() to ParseContentWithParams().

Add a new ParseContent() method as a convenience to call
ParseContentWithParams() with the default parameters.

Change-Id: I274682845a72e125c3fc6299289edb760104ac4d
Reviewed-on: https://pdfium-review.googlesource.com/12250
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>

7 files changed, 22 insertions, 15 deletions

diff --git a/core/fpdfapi/edit/cpdf_pagecontentgenerator_unittest.cpp b/core/fpdfapi/edit/cpdf_pagecontentgenerator_unittest.cpp
index c7a98c9493..1dd6d25e2a 100644
--- a/core/fpdfapi/edit/cpdf_pagecontentgenerator_unittest.cpp
+++ b/core/fpdfapi/edit/cpdf_pagecontentgenerator_unittest.cpp
@@ -298,7 +298,7 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessEmptyForm) {
   // Create an empty form.
   auto pTestForm =
       pdfium::MakeUnique<CPDF_Form>(pDoc.get(), nullptr, pStream.get());
-  pTestForm->ParseContent(nullptr, nullptr, nullptr);
+  pTestForm->ParseContent();
   ASSERT_TRUE(pTestForm->IsParsed());
 
   // The generated stream for the empty form should be an empty string.
@@ -324,7 +324,7 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessFormWithPath) {
   // Create a form with a non-empty stream.
   auto pTestForm =
       pdfium::MakeUnique<CPDF_Form>(pDoc.get(), nullptr, pStream.get());
-  pTestForm->ParseContent(nullptr, nullptr, nullptr);
+  pTestForm->ParseContent();
   ASSERT_TRUE(pTestForm->IsParsed());
 
   CPDF_PageContentGenerator generator(pTestForm.get());
diff --git a/core/fpdfapi/font/cpdf_type3font.cpp b/core/fpdfapi/font/cpdf_type3font.cpp
index e13deaa56b..2af1dac44f 100644
--- a/core/fpdfapi/font/cpdf_type3font.cpp
+++ b/core/fpdfapi/font/cpdf_type3font.cpp
@@ -114,7 +114,8 @@ CPDF_Type3Char* CPDF_Type3Font::LoadChar(uint32_t charcode) {
   // can change as a result. Thus after it returns, check the cache again for
   // a cache hit.
   m_CharLoadingDepth++;
-  pNewChar->m_pForm->ParseContent(nullptr, nullptr, pNewChar.get());
+  pNewChar->m_pForm->ParseContentWithParams(nullptr, nullptr, pNewChar.get(),
+                                            0);
   m_CharLoadingDepth--;
   it = m_CacheMap.find(charcode);
   if (it != m_CacheMap.end())
diff --git a/core/fpdfapi/page/cpdf_form.cpp b/core/fpdfapi/page/cpdf_form.cpp
index c2170ac4e7..c5d9cbffcf 100644
--- a/core/fpdfapi/page/cpdf_form.cpp
+++ b/core/fpdfapi/page/cpdf_form.cpp
@@ -44,10 +44,14 @@ void CPDF_Form::StartParse(CPDF_AllStates* pGraphicStates,
   m_ParseState = CONTENT_PARSING;
 }
 
-void CPDF_Form::ParseContent(CPDF_AllStates* pGraphicStates,
-                             const CFX_Matrix* pParentMatrix,
-                             CPDF_Type3Char* pType3Char,
-                             int level) {
+void CPDF_Form::ParseContent() {
+  ParseContentWithParams(nullptr, nullptr, nullptr, 0);
+}
+
+void CPDF_Form::ParseContentWithParams(CPDF_AllStates* pGraphicStates,
+                                       const CFX_Matrix* pParentMatrix,
+                                       CPDF_Type3Char* pType3Char,
+                                       int level) {
   StartParse(pGraphicStates, pParentMatrix, pType3Char, level);
   ContinueParse(nullptr);
 }
diff --git a/core/fpdfapi/page/cpdf_form.h b/core/fpdfapi/page/cpdf_form.h
index 910f38fd08..2cce800f23 100644
--- a/core/fpdfapi/page/cpdf_form.h
+++ b/core/fpdfapi/page/cpdf_form.h
@@ -24,16 +24,17 @@ class CPDF_Form : public CPDF_PageObjectHolder {
             CPDF_Dictionary* pParentResources = nullptr);
   ~CPDF_Form() override;
 
-  void ParseContent(CPDF_AllStates* pGraphicStates,
-                    const CFX_Matrix* pParentMatrix,
-                    CPDF_Type3Char* pType3Char,
-                    int level = 0);
+  void ParseContent();
+  void ParseContentWithParams(CPDF_AllStates* pGraphicStates,
+                              const CFX_Matrix* pParentMatrix,
+                              CPDF_Type3Char* pType3Char,
+                              int level);
 
  private:
   void StartParse(CPDF_AllStates* pGraphicStates,
                   const CFX_Matrix* pParentMatrix,
                   CPDF_Type3Char* pType3Char,
-                  int level = 0);
+                  int level);
 };
 
 #endif  // CORE_FPDFAPI_PAGE_CPDF_FORM_H_
diff --git a/core/fpdfapi/page/cpdf_streamcontentparser.cpp b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
index a6af91d9ff..7bd6b50123 100644
--- a/core/fpdfapi/page/cpdf_streamcontentparser.cpp
+++ b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
@@ -775,7 +775,8 @@ void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream) {
   status.m_GraphState = m_pCurStates->m_GraphState;
   status.m_ColorState = m_pCurStates->m_ColorState;
   status.m_TextState = m_pCurStates->m_TextState;
-  pFormObj->m_pForm->ParseContent(&status, nullptr, nullptr, m_Level + 1);
+  pFormObj->m_pForm->ParseContentWithParams(&status, nullptr, nullptr,
+                                            m_Level + 1);
   if (!m_pObjectHolder->BackgroundAlphaNeeded() &&
       pFormObj->m_pForm->BackgroundAlphaNeeded()) {
     m_pObjectHolder->SetBackgroundAlphaNeeded(true);
diff --git a/core/fpdfapi/page/cpdf_tilingpattern.cpp b/core/fpdfapi/page/cpdf_tilingpattern.cpp
index 65542a27b5..a5252578a5 100644
--- a/core/fpdfapi/page/cpdf_tilingpattern.cpp
+++ b/core/fpdfapi/page/cpdf_tilingpattern.cpp
@@ -49,7 +49,7 @@ bool CPDF_TilingPattern::Load() {
 
   const CFX_Matrix& matrix = parent_matrix();
   m_pForm = pdfium::MakeUnique<CPDF_Form>(document(), nullptr, pStream);
-  m_pForm->ParseContent(nullptr, &matrix, nullptr);
+  m_pForm->ParseContentWithParams(nullptr, &matrix, nullptr, 0);
   m_BBox = pDict->GetRectFor("BBox");
   return true;
 }
diff --git a/core/fpdfapi/render/cpdf_renderstatus.cpp b/core/fpdfapi/render/cpdf_renderstatus.cpp
index 380914fd27..316717c120 100644
--- a/core/fpdfapi/render/cpdf_renderstatus.cpp
+++ b/core/fpdfapi/render/cpdf_renderstatus.cpp
@@ -2545,7 +2545,7 @@ CFX_RetainPtr<CFX_DIBitmap> CPDF_RenderStatus::LoadSMask(
 
   CPDF_Form form(m_pContext->GetDocument(), m_pContext->GetPageResources(),
                  pGroup);
-  form.ParseContent(nullptr, nullptr, nullptr);
+  form.ParseContent();
 
   CFX_DefaultRenderDevice bitmap_device;
   bool bLuminosity = pSMaskDict->GetStringFor("S") != "Alpha";