Remove leftover NoIncrementalWriteBarrier prototypes.

TBR=ulan@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1464313009

Cr-Commit-Position: refs/heads/master@{#32323}

src/objects-inl.h

@@ -2585,20 +2585,6 @@ void FixedArray::set(int index,
 }
 
 
-void FixedArray::NoIncrementalWriteBarrierSet(FixedArray* array,
-                                              int index,
-                                              Object* value) {
-  DCHECK(array->map() != array->GetHeap()->fixed_cow_array_map());
-  DCHECK(index >= 0 && index < array->length());
-  int offset = kHeaderSize + index * kPointerSize;
-  WRITE_FIELD(array, offset, value);
-  Heap* heap = array->GetHeap();
-  if (heap->InNewSpace(value)) {
-    heap->RecordWrite(array->address(), offset);
-  }
-}
-
-
 void FixedArray::NoWriteBarrierSet(FixedArray* array,
                                    int index,
                                    Object* value) {

src/objects.h

@@ -2657,13 +2657,6 @@ class FixedArray: public FixedArrayBase {
                                        int index,
                                        Object* value);
 
-  // Set operation on FixedArray without incremental write barrier. Can
-  // only be used if the object is guaranteed to be white (whiteness witness
-  // is present).
-  static inline void NoIncrementalWriteBarrierSet(FixedArray* array,
-                                                  int index,
-                                                  Object* value);
-
  private:
   STATIC_ASSERT(kHeaderSize == Internals::kFixedArrayHeaderSize);
 

src/transitions.h

@@ -299,11 +299,6 @@ class TransitionArray: public FixedArray {
 
   inline void Set(int transition_number, Name* key, Map* target);
 
-  // Copy a single transition from the origin array.
-  inline void NoIncrementalWriteBarrierCopyFrom(TransitionArray* origin,
-                                                int origin_transition,
-                                                int target_transition);
-
 #ifdef DEBUG
   static void CheckNewTransitionsAreConsistent(Handle<Map> map,
                                                TransitionArray* old_transitions,