Tidy up bits of CPDF_RenderStatus.

Also check the return value for a Clone() call.

Change-Id: Ia2775c2f70aafa2874f5d4172e0dc178854a3f51
Reviewed-on: https://pdfium-review.googlesource.com/15791
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/core/fpdfapi/render/cpdf_renderstatus.h b/core/fpdfapi/render/cpdf_renderstatus.h
index 102bc2f2e6..e0045afd85 100644
--- a/core/fpdfapi/render/cpdf_renderstatus.h
+++ b/core/fpdfapi/render/cpdf_renderstatus.h
@@ -142,9 +142,9 @@ class CPDF_RenderStatus {
                    const CFX_Matrix* pObj2Device);
   RetainPtr<CFX_DIBitmap> GetBackdrop(const CPDF_PageObject* pObj,
                                       const FX_RECT& rect,
-                                      int& left,
-                                      int& top,
-                                      bool bBackAlphaRequired);
+                                      bool bBackAlphaRequired,
+                                      int* left,
+                                      int* top);
   RetainPtr<CFX_DIBitmap> LoadSMask(CPDF_Dictionary* pSMaskDict,
                                     FX_RECT* pClipRect,
                                     const CFX_Matrix* pMatrix);