Reland of [heap] Simplify distribution of remaining memory during sweeping & compaction

test/cctest/heap/heap-tester.h

 // Copyright 2015 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 HEAP_HEAP_TESTER_H_
 #define HEAP_HEAP_TESTER_H_
 
 #include "src/handles.h"
 #include "src/heap/spaces.h"
 
@@ skipping 41 matching lines @@
 
   HEAP_TEST_METHODS(DECLARE_STATIC)
 #undef HEAP_TEST_METHODS
 
   /* test-alloc.cc */
   static AllocationResult AllocateAfterFailures();
   static Handle<Object> TestAllocateAfterFailures();
 
   /* test-api.cc */
   static void ResetWeakHandle(bool global_gc);
-
-  /* test-spaces.cc */
-  static CompactionSpaceCollection** InitializeCompactionSpaces(Heap* heap,
-                                                                int num_spaces);
-  static void DestroyCompactionSpaces(CompactionSpaceCollection** spaces,
-                                      int num_spaces);
-  static void MergeCompactionSpaces(PagedSpace* space,
-                                    CompactionSpaceCollection** spaces,
-                                    int num_spaces);
-  static void AllocateInCompactionSpaces(CompactionSpaceCollection** spaces,
-                                         AllocationSpace id, int num_spaces,
-                                         int num_objects, int object_size);
-  static void CompactionStats(CompactionSpaceCollection** spaces,
-                              AllocationSpace id, int num_spaces,
-                              intptr_t* capacity, intptr_t* size);
-  static void TestCompactionSpaceDivide(int num_additional_objects,
-                                        int object_size,
-                                        int num_compaction_spaces,
-                                        int additional_capacity_in_bytes);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // HEAP_HEAP_TESTER_H_