DataView implementation.

src/objects-visiting-inl.h

Index: src/objects-visiting-inl.h
diff --git a/src/objects-visiting-inl.h b/src/objects-visiting-inl.h
index 6c3c9d44fe318d77c141a68dc6d562d86563aceb..46ca0b10ca6219d9b49e8fe08d20241cad400087 100644
--- a/src/objects-visiting-inl.h
+++ b/src/objects-visiting-inl.h
@@ -83,6 +83,8 @@ void StaticNewSpaceVisitor<StaticVisitor>::Initialize() {
 
   table_.Register(kVisitJSTypedArray, &VisitJSTypedArray);
 
+  table_.Register(kVisitJSDataView, &VisitJSDataView);
+
   table_.Register(kVisitFreeSpace, &VisitFreeSpace);
 
   table_.Register(kVisitJSWeakMap, &JSObjectVisitor::Visit);
@@ -108,7 +110,7 @@ int StaticNewSpaceVisitor<StaticVisitor>::VisitJSArrayBuffer(
   Heap* heap = map->GetHeap();
 
   STATIC_ASSERT(
-      JSArrayBuffer::kWeakFirstArrayOffset ==
+      JSArrayBuffer::kWeakFirstViewOffset ==
       JSArrayBuffer::kWeakNextOffset + kPointerSize);
   VisitPointers(
       heap,
@@ -140,6 +142,22 @@ int StaticNewSpaceVisitor<StaticVisitor>::VisitJSTypedArray(
 
 
 template<typename StaticVisitor>
+int StaticNewSpaceVisitor<StaticVisitor>::VisitJSDataView(
+    Map* map, HeapObject* object) {
+  VisitPointers(
+      map->GetHeap(),
+      HeapObject::RawField(object, JSDataView::BodyDescriptor::kStartOffset),
+      HeapObject::RawField(object, JSDataView::kWeakNextOffset));
+  VisitPointers(
+      map->GetHeap(),
+      HeapObject::RawField(object,
+          JSDataView::kWeakNextOffset + kPointerSize),
+      HeapObject::RawField(object, JSDataView::kSize));
+  return JSDataView::kSize;
+}
+
+
+template<typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::Initialize() {
   table_.Register(kVisitShortcutCandidate,
                   &FixedBodyVisitor<StaticVisitor,
@@ -194,6 +212,8 @@ void StaticMarkingVisitor<StaticVisitor>::Initialize() {
 
   table_.Register(kVisitJSTypedArray, &VisitJSTypedArray);
 
+  table_.Register(kVisitJSDataView, &VisitJSDataView);
+
   // Registration for kVisitJSRegExp is done by StaticVisitor.
 
   table_.Register(kVisitCell,
@@ -456,7 +476,7 @@ void StaticMarkingVisitor<StaticVisitor>::VisitJSArrayBuffer(
   Heap* heap = map->GetHeap();
 
   STATIC_ASSERT(
-      JSArrayBuffer::kWeakFirstArrayOffset ==
+      JSArrayBuffer::kWeakFirstViewOffset ==
       JSArrayBuffer::kWeakNextOffset + kPointerSize);
   StaticVisitor::VisitPointers(
       heap,
@@ -486,6 +506,21 @@ void StaticMarkingVisitor<StaticVisitor>::VisitJSTypedArray(
 
 
 template<typename StaticVisitor>
+void StaticMarkingVisitor<StaticVisitor>::VisitJSDataView(
+    Map* map, HeapObject* object) {
+  StaticVisitor::VisitPointers(
+      map->GetHeap(),
+      HeapObject::RawField(object, JSDataView::BodyDescriptor::kStartOffset),
+      HeapObject::RawField(object, JSDataView::kWeakNextOffset));
+  StaticVisitor::VisitPointers(
+      map->GetHeap(),
+      HeapObject::RawField(object,
+        JSDataView::kWeakNextOffset + kPointerSize),
+      HeapObject::RawField(object, JSDataView::kSize));
+}
+
+
+template<typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::MarkMapContents(
     Heap* heap, Map* map) {
   // Make sure that the back pointer stored either in the map itself or