Assert CPDF_Image::m_pDocument is never nullptr.

Remove a check that will never be true.

Change-Id: I6474cb7f6549f412a368d1920fd0af90eae9a700
Reviewed-on: https://pdfium-review.googlesource.com/c/44540
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/core/fpdfapi/page/cpdf_imageobject.cpp b/core/fpdfapi/page/cpdf_imageobject.cpp
index 2b3d7b0de3..4da0bf9b95 100644
--- a/core/fpdfapi/page/cpdf_imageobject.cpp
+++ b/core/fpdfapi/page/cpdf_imageobject.cpp
@@ -57,11 +57,7 @@ void CPDF_ImageObject::MaybePurgeCache() {
   if (!m_pImage)
     return;
 
-  CPDF_Document* pDocument = m_pImage->GetDocument();
-  if (!pDocument)
-    return;
-
-  CPDF_DocPageData* pPageData = pDocument->GetPageData();
+  CPDF_DocPageData* pPageData = m_pImage->GetDocument()->GetPageData();
   if (!pPageData)
     return;