Deprecate the BASE_EMBEDDED macro

src/allocation.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ALLOCATION_H_
 #define V8_ALLOCATION_H_
 
 #include "src/base/compiler-specific.h"
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 // Called when allocation routines fail to allocate.
 // This function should not return, but should terminate the current
 // processing.
 V8_EXPORT_PRIVATE void FatalProcessOutOfMemory(const char* message);
 
 // Superclass for classes managed with new & delete.
 class V8_EXPORT_PRIVATE Malloced {
  public:
   void* operator new(size_t size) { return New(size); }
   void  operator delete(void* p) { Delete(p); }
 
   static void* New(size_t size);
   static void Delete(void* p);
 };
 
-
-// A macro is used for defining the base class used for embedded instances.
-// The reason is some compilers allocate a minimum of one word for the
-// superclass. The macro prevents the use of new & delete in debug mode.
-// In release mode we are not willing to pay this overhead.
-
-#ifdef DEBUG
-// Superclass for classes with instances allocated inside stack
-// activations or inside other objects.
-class Embedded {
- public:
-  void* operator new(size_t size);
-  void  operator delete(void* p);
-};
-#define BASE_EMBEDDED : public NON_EXPORTED_BASE(Embedded)
-#else
+// DEPRECATED
+// TODO(leszeks): Delete this during a quiet period
 #define BASE_EMBEDDED
-#endif
 
 
 // Superclass for classes only using static method functions.
 // The subclass of AllStatic cannot be instantiated at all.
 class AllStatic {
 #ifdef DEBUG
  public:
   AllStatic() = delete;
 #endif
 };
@@ skipping 29 matching lines @@
 };
 
 
 void* AlignedAlloc(size_t size, size_t alignment);
 void AlignedFree(void *ptr);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ALLOCATION_H_