Make CPDF_IndirectObjectHolder::InsertIndirectObject return a bool.

core/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.cpp

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_indirect_object_holder.h"
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_parser.h"
@@ skipping 47 matching lines @@
 void CPDF_IndirectObjectHolder::ReleaseIndirectObject(uint32_t objnum) {
   auto it = m_IndirectObjs.find(objnum);
   if (it == m_IndirectObjs.end() ||
       it->second->GetObjNum() == CPDF_Object::kInvalidObjNum) {
     return;
   }
   it->second->Destroy();
   m_IndirectObjs.erase(it);
 }
 
-FX_BOOL CPDF_IndirectObjectHolder::InsertIndirectObject(uint32_t objnum,
-                                                        CPDF_Object* pObj) {
+bool CPDF_IndirectObjectHolder::InsertIndirectObject(uint32_t objnum,
+                                                     CPDF_Object* pObj) {
   if (!objnum || !pObj)
-    return FALSE;
+    return false;
+
   auto it = m_IndirectObjs.find(objnum);
   if (it != m_IndirectObjs.end()) {
     if (pObj->GetGenNum() <= it->second->GetGenNum()) {
       pObj->Destroy();
-      return FALSE;
+      return false;
     }
     it->second->Destroy();
   }
   pObj->m_ObjNum = objnum;
   m_IndirectObjs[objnum] = pObj;
   m_LastObjNum = std::max(m_LastObjNum, objnum);
-  return TRUE;
+  return true;
 }