[heap] Make Scavenge() private.

src/heap/heap.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_HEAP_HEAP_H_
 #define V8_HEAP_HEAP_H_
 
 #include <cmath>
 #include <map>
 
@@ skipping 1663 matching lines @@
   MUST_USE_RESULT AllocationResult
       AllocateFixedArray(int length, PretenureFlag pretenure = NOT_TENURED);
 
   static const int kInitialStringTableSize = 2048;
   static const int kInitialEvalCacheSize = 64;
   static const int kInitialNumberStringCacheSize = 256;
 
  private:
   Heap();
 
+  // Performs a minor collection in new generation.
+  void Scavenge();
+
   int current_gc_flags() { return current_gc_flags_; }
   void set_current_gc_flags(int flags) {
     current_gc_flags_ = flags;
     DCHECK(!ShouldFinalizeIncrementalMarking() ||
            !ShouldAbortIncrementalMarking());
   }
 
   inline bool ShouldReduceMemory() const {
     return current_gc_flags_ & kReduceMemoryFootprintMask;
   }
@@ skipping 361 matching lines @@
   MUST_USE_RESULT AllocationResult
       AllocateForeign(Address address, PretenureFlag pretenure = NOT_TENURED);
 
   MUST_USE_RESULT AllocationResult
       AllocateCode(int object_size, bool immovable);
 
   MUST_USE_RESULT AllocationResult InternalizeStringWithKey(HashTableKey* key);
 
   MUST_USE_RESULT AllocationResult InternalizeString(String* str);
 
-  // Performs a minor collection in new generation.
-  void Scavenge();
-
   // Commits from space if it is uncommitted.
   void EnsureFromSpaceIsCommitted();
 
   // Uncommit unused semi space.
   bool UncommitFromSpace() { return new_space_.UncommitFromSpace(); }
 
   // Fill in bogus values in from space
   void ZapFromSpace();
 
   static String* UpdateNewSpaceReferenceInExternalStringTableEntry(
@@ skipping 655 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 }
 }  // namespace v8::internal
 
 #endif  // V8_HEAP_HEAP_H_