Split an allocation policy into an allocator and a deallocator.

src/allocation.h

Index: src/allocation.h
diff --git a/src/allocation.h b/src/allocation.h
index 31067dda8196feed86a36c172f71e71adc8c0b85..0696e0dd7f5181d204bf0c3f1eeb724f372b9363 100644
--- a/src/allocation.h
+++ b/src/allocation.h
@@ -102,10 +102,21 @@ char* StrNDup(const char* str, int n);
 
 // Allocation policy for allocating in the C free store using malloc
 // and free. Used as the default policy for lists.
-class FreeStoreAllocationPolicy {
+class FreeStoreAllocator {
  public:
-  INLINE(static void* New(size_t size)) { return Malloced::New(size); }
-  INLINE(static void Delete(void* p)) { Malloced::Delete(p); }
+  INLINE(void* New(size_t size)) { return Malloced::New(size); }
+};
+
+
+class FreeStoreDeallocator {
+ public:
+  INLINE(void Delete(void *ptr)) { Malloced::Delete(ptr); }
+};
+
+
+struct FreeStoreAllocationPolicy {
+  typedef FreeStoreAllocator Allocator;
+  typedef FreeStoreDeallocator Deallocator;
 };
 
 
@@ -117,12 +128,6 @@ class PreallocatedStorage {
   explicit PreallocatedStorage(size_t size);
   size_t size() { return size_; }
 
-  // TODO(isolates): Get rid of these-- we'll have to change the allocator
-  //                 interface to include a pointer to an isolate to do this
-  //                 efficiently.
-  static inline void* New(size_t size);
-  static inline void Delete(void* p);
-
  private:
   size_t size_;
   PreallocatedStorage* previous_;
@@ -137,6 +142,24 @@ class PreallocatedStorage {
 };
 
 
+class PreallocatedStorageAllocator {
+ public:
+  INLINE(void* New(size_t size));
+};
+
+
+class PreallocatedStorageDeallocator {
+ public:
+  INLINE(void Delete(void* ptr));
+};
+
+
+struct PreallocatedStorageAllocationPolicy {
+  typedef PreallocatedStorageAllocator Allocator;
+  typedef PreallocatedStorageDeallocator Deallocator;
+};
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_ALLOCATION_H_