Implement computedRole and computedName (behind a flag)

Source/modules/accessibility/AXARIAGrid.cpp

Index: Source/modules/accessibility/AXARIAGrid.cpp
diff --git a/Source/modules/accessibility/AXARIAGrid.cpp b/Source/modules/accessibility/AXARIAGrid.cpp
index 8431649a632ab0e11e9db114f42bc1dba2ec1ad4..f1b46e1828dcfbf08532efc0a6c6d2c575dd6283 100644
--- a/Source/modules/accessibility/AXARIAGrid.cpp
+++ b/Source/modules/accessibility/AXARIAGrid.cpp
@@ -29,6 +29,7 @@
 #include "config.h"
 #include "modules/accessibility/AXARIAGrid.h"
 
+#include "core/dom/AXObjectCache.h"
 #include "core/rendering/RenderObject.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
 #include "modules/accessibility/AXTableColumn.h"
@@ -37,8 +38,8 @@
 
 namespace blink {
 
-AXARIAGrid::AXARIAGrid(RenderObject* renderer)
-    : AXTable(renderer)
+AXARIAGrid::AXARIAGrid(RenderObject* renderer, AXObjectCache* axObjectCache)
+    : AXTable(renderer, axObjectCache)
 {
 }
 
@@ -46,9 +47,9 @@ AXARIAGrid::~AXARIAGrid()
 {
 }
 
-PassRefPtr<AXARIAGrid> AXARIAGrid::create(RenderObject* renderer)
+PassRefPtr<AXARIAGrid> AXARIAGrid::create(RenderObject* renderer, AXObjectCache* axObjectCache)
 {
-    return adoptRef(new AXARIAGrid(renderer));
+    return adoptRef(new AXARIAGrid(renderer, axObjectCache));
 }
 
 bool AXARIAGrid::addTableCellChild(AXObject* child, HashSet<AXObject*>& appendedRows, unsigned& columnCount)