Move FillWithHoles FixedArray and FixedDoubleArray functions to the given classes.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index c358ee6584525e4415aacce8615efd687acda79e..32feaa8feef9c86d1b0230841200fe237369da9e 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -2208,6 +2208,18 @@ bool FixedDoubleArray::is_the_hole(int index) {
 }
 
 
+double* FixedDoubleArray::data_start() {
+  return reinterpret_cast<double*>(FIELD_ADDR(this, kHeaderSize));
+}
+
+
+void FixedDoubleArray::FillWithHoles(int from, int to) {
+  for (int i = from; i < to; i++) {
+    set_the_hole(i);
+  }
+}
+
+
 SMI_ACCESSORS(
     ConstantPoolArray, first_code_ptr_index, kFirstCodePointerIndexOffset)
 SMI_ACCESSORS(
@@ -2401,8 +2413,10 @@ void FixedArray::set_the_hole(int index) {
 }
 
 
-double* FixedDoubleArray::data_start() {
-  return reinterpret_cast<double*>(FIELD_ADDR(this, kHeaderSize));
+void FixedArray::FillWithHoles(int from, int to) {
+  for (int i = from; i < to; i++) {
+    set_the_hole(i);
+  }
 }