Re-land else-after-returns

core/src/fpdfapi/fpdf_page/fpdf_page.cpp

Index: core/src/fpdfapi/fpdf_page/fpdf_page.cpp
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page.cpp
index db3966ec175ad912bfefefee28c368dfab0a9a91..c0cdb228f4c745f2390f4b2b270c38f2e3d80514 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page.cpp
@@ -754,18 +754,17 @@ void CPDF_PageObjects::ContinueParse(IFX_Pause* pPause)
 }
 int CPDF_PageObjects::EstimateParseProgress() const
 {
-    if (m_pParser == NULL) {
+    if (!m_pParser) {
         return m_ParseState == PDF_CONTENT_PARSED ? 100 : 0;
     }
     return m_pParser->EstimateProgress();
 }
 FX_POSITION CPDF_PageObjects::InsertObject(FX_POSITION posInsertAfter, CPDF_PageObject* pNewObject)
 {
-    if (posInsertAfter == NULL) {
+    if (!posInsertAfter) {
         return m_ObjectList.AddHead(pNewObject);
-    } else {
-        return m_ObjectList.InsertAfter(posInsertAfter, pNewObject);
     }
+    return m_ObjectList.InsertAfter(posInsertAfter, pNewObject);
 }
 int CPDF_PageObjects::GetObjectIndex(CPDF_PageObject* pObj) const
 {