[heap] Fix compilation of LargeObjectSpace on Windows.

src/heap/spaces.cc

 // Copyright 2011 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.
 
 #include "src/heap/spaces.h"
 
 #include "src/base/bits.h"
 #include "src/base/platform/platform.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/heap/mark-compact.h"
@@ skipping 2796 matching lines @@
 
 LargeObjectSpace::LargeObjectSpace(Heap* heap, AllocationSpace id)
     : Space(heap, id, NOT_EXECUTABLE),  // Managed on a per-allocation basis
       first_page_(NULL),
       size_(0),
       page_count_(0),
       objects_size_(0),
       chunk_map_(ComparePointers, 1024) {}
 
 
+LargeObjectSpace::~LargeObjectSpace() {}
+
+
 bool LargeObjectSpace::SetUp() {
   first_page_ = NULL;
   size_ = 0;
   maximum_committed_ = 0;
   page_count_ = 0;
   objects_size_ = 0;
   chunk_map_.Clear();
   return true;
 }
 
@@ skipping 280 matching lines @@
     object->ShortPrint();
     PrintF("\n");
   }
   printf(" --------------------------------------\n");
   printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes());
 }
 
 #endif  // DEBUG
 }  // namespace internal
 }  // namespace v8