Merge to M44: Abort on OOM by default in FX_Alloc().

core/src/fxcrt/fx_basic_memmgr.cpp

 // Copyright 2014 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 "../../include/fxcrt/fx_basic.h"
-#ifdef __cplusplus
-extern "C" {
-#endif
+#include <stdlib.h>  // For abort().
+#include "../../include/fxcrt/fx_memory.h"
+
 void*   FXMEM_DefaultAlloc(size_t byte_size, int flags)
 {
     return (void*)malloc(byte_size);
 }
 void*   FXMEM_DefaultRealloc(void* pointer, size_t new_size, int flags)
 {
     return realloc(pointer, new_size);
 }
 void    FXMEM_DefaultFree(void* pointer, int flags)
 {
     free(pointer);
 }
-#ifdef __cplusplus
+
+NEVER_INLINE void FX_OutOfMemoryTerminate() {
+    // Termimate cleanly if we can, else crash at a specific address (0xbd).
+    abort();
+    reinterpret_cast<void(*)()>(0xbd)();
 }
-#endif
+
 CFX_GrowOnlyPool::CFX_GrowOnlyPool(size_t trunk_size)
 {
     m_TrunkSize = trunk_size;
     m_pFirstTrunk = NULL;
 }
 CFX_GrowOnlyPool::~CFX_GrowOnlyPool()
 {
     FreeAll();
 }
 struct _FX_GrowOnlyTrunk {
@@ skipping 24 matching lines @@
         pTrunk = pTrunk->m_pNext;
     }
     size_t alloc_size = size > m_TrunkSize ? size : m_TrunkSize;
     pTrunk = (_FX_GrowOnlyTrunk*)FX_Alloc(FX_BYTE, sizeof(_FX_GrowOnlyTrunk) + alloc_size);
     pTrunk->m_Size = alloc_size;
     pTrunk->m_Allocated = size;
     pTrunk->m_pNext = (_FX_GrowOnlyTrunk*)m_pFirstTrunk;
     m_pFirstTrunk = pTrunk;
     return pTrunk + 1;
 }