Remove out params from CPDF_DIB::GetDecodeAndMaskArray()

It is always called with the address of the same members as arguments
in all cases.

Change-Id: I6a4ee7c4e24620d03db6010440ecde8dd7b52cbb
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/93050
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

core/fpdfapi/page/cpdf_dib.cpp

diff --git a/core/fpdfapi/page/cpdf_dib.cpp b/core/fpdfapi/page/cpdf_dib.cpp
index 9c0798a..8fd881b 100644
--- a/core/fpdfapi/page/cpdf_dib.cpp
+++ b/core/fpdfapi/page/cpdf_dib.cpp
@@ -377,10 +377,10 @@
   if (!ValidateDictParam(filter))
     return false;
 
-  return GetDecodeAndMaskArray(&m_bDefaultDecode, &m_bColorKey);
+  return GetDecodeAndMaskArray();
 }
 
-bool CPDF_DIB::GetDecodeAndMaskArray(bool* bDefaultDecode, bool* bColorKey) {
+bool CPDF_DIB::GetDecodeAndMaskArray() {
   if (!m_pColorSpace)
     return false;
 
@@ -399,7 +399,7 @@
       if (m_Family == CPDF_ColorSpace::Family::kIndexed)
         def_max = max_data;
       if (def_min != m_CompData[i].m_DecodeMin || def_max != max)
-        *bDefaultDecode = false;
+        m_bDefaultDecode = false;
     }
   } else {
     for (uint32_t i = 0; i < m_nComponents; i++) {
@@ -428,7 +428,7 @@
         m_CompData[i].m_ColorKeyMax = std::min(max_num, max_data);
       }
     }
-    *bColorKey = true;
+    m_bColorKey = true;
   }
   return true;
 }
@@ -553,7 +553,7 @@
     if (m_Family == CPDF_ColorSpace::Family::kLab && m_nComponents != 3)
       return false;
   }
-  if (!GetDecodeAndMaskArray(&m_bDefaultDecode, &m_bColorKey))
+  if (!GetDecodeAndMaskArray())
     return false;
 
   m_bpc = info.bits_per_components;

core/fpdfapi/page/cpdf_dib.h

diff --git a/core/fpdfapi/page/cpdf_dib.h b/core/fpdfapi/page/cpdf_dib.h
index 3655a8c..1bf5c32 100644
--- a/core/fpdfapi/page/cpdf_dib.h
+++ b/core/fpdfapi/page/cpdf_dib.h
@@ -84,7 +84,7 @@
   LoadState ContinueLoadMaskDIB(PauseIndicatorIface* pPause);
   bool LoadColorInfo(const CPDF_Dictionary* pFormResources,
                      const CPDF_Dictionary* pPageResources);
-  bool GetDecodeAndMaskArray(bool* bDefaultDecode, bool* bColorKey);
+  bool GetDecodeAndMaskArray();
   RetainPtr<CFX_DIBitmap> LoadJpxBitmap();
   void LoadPalette();
   LoadState CreateDecoder();