Remove dead Space::ReserveSpace implementations.

src/spaces.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1750 matching lines @@
 
   // The allocation limit address.
   Address* allocation_limit_address() {
     return allocation_info_.limit_address();
   }
 
   // Allocate the requested number of bytes in the space if possible, return a
   // failure object if not.
   MUST_USE_RESULT inline MaybeObject* AllocateRaw(int size_in_bytes);
 
-  virtual bool ReserveSpace(int bytes);
-
   // Give a block of memory to the space's free list.  It might be added to
   // the free list or accounted as waste.
   // If add_to_freelist is false then just accounting stats are updated and
   // no attempt to add area to free list is made.
   int Free(Address start, int size_in_bytes) {
     int wasted = free_list_.Free(start, size_in_bytes);
     accounting_stats_.DeallocateBytes(size_in_bytes - wasted);
     return size_in_bytes - wasted;
   }
 
@@ skipping 377 matching lines @@
     return (reinterpret_cast<uintptr_t>(o) & object_mask_) == object_expected_;
   }
 
   // If we don't have these here then SemiSpace will be abstract.  However
   // they should never be called.
   virtual intptr_t Size() {
     UNREACHABLE();
     return 0;
   }
 
-  virtual bool ReserveSpace(int bytes) {
-    UNREACHABLE();
-    return false;
-  }
-
   bool is_committed() { return committed_; }
   bool Commit();
   bool Uncommit();
 
   NewSpacePage* first_page() { return anchor_.next_page(); }
   NewSpacePage* current_page() { return current_page_; }
 
 #ifdef VERIFY_HEAP
   virtual void Verify();
 #endif
@@ skipping 343 matching lines @@
   // semispace).
   inline bool ToSpaceContains(Object* o) { return to_space_.Contains(o); }
   inline bool FromSpaceContains(Object* o) { return from_space_.Contains(o); }
 
   // Try to switch the active semispace to a new, empty, page.
   // Returns false if this isn't possible or reasonable (i.e., there
   // are no pages, or the current page is already empty), or true
   // if successful.
   bool AddFreshPage();
 
-  virtual bool ReserveSpace(int bytes);
-
 #ifdef VERIFY_HEAP
   // Verify the active semispace.
   virtual void Verify();
 #endif
 
 #ifdef DEBUG
   // Print the active semispace.
   virtual void Print() { to_space_.Print(); }
 #endif
 
@@ skipping 292 matching lines @@
 
   // Frees unmarked objects.
   void FreeUnmarkedObjects();
 
   // Checks whether a heap object is in this space; O(1).
   bool Contains(HeapObject* obj);
 
   // Checks whether the space is empty.
   bool IsEmpty() { return first_page_ == NULL; }
 
-  // See the comments for ReserveSpace in the Space class.  This has to be
-  // called after ReserveSpace has been called on the paged spaces, since they
-  // may use some memory, leaving less for large objects.
-  virtual bool ReserveSpace(int bytes);
-
   LargePage* first_page() { return first_page_; }
 
 #ifdef VERIFY_HEAP
   virtual void Verify();
 #endif
 
 #ifdef DEBUG
   virtual void Print();
   void ReportStatistics();
   void CollectCodeStatistics();
@@ skipping 109 matching lines @@
   }
   // Must be small, since an iteration is used for lookup.
   static const int kMaxComments = 64;
 };
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_H_