Implement computedRole and computedName (behind a flag)

Source/modules/accessibility/AXRenderObject.cpp

Index: Source/modules/accessibility/AXRenderObject.cpp
diff --git a/Source/modules/accessibility/AXRenderObject.cpp b/Source/modules/accessibility/AXRenderObject.cpp
index 800231211eb824ed60199112614cf6145c27cdb6..598097d11a1b794d26f24f9c8aadfad071a75c49 100644
--- a/Source/modules/accessibility/AXRenderObject.cpp
+++ b/Source/modules/accessibility/AXRenderObject.cpp
@@ -31,6 +31,7 @@
 
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/InputTypeNames.h"
+#include "core/dom/AXObjectCache.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/FrameSelection.h"
@@ -166,8 +167,8 @@ static RenderBoxModelObject* nextContinuation(RenderObject* renderer)
     return 0;
 }
 
-AXRenderObject::AXRenderObject(RenderObject* renderer)
-    : AXNodeObject(renderer->node())
+AXRenderObject::AXRenderObject(RenderObject* renderer, AXObjectCache* axObjectCache)
+    : AXNodeObject(renderer->node(), axObjectCache)
     , m_renderer(renderer)
     , m_cachedElementRectDirty(true)
 {
@@ -176,9 +177,9 @@ AXRenderObject::AXRenderObject(RenderObject* renderer)
 #endif
 }
 
-PassRefPtr<AXRenderObject> AXRenderObject::create(RenderObject* renderer)
+PassRefPtr<AXRenderObject> AXRenderObject::create(RenderObject* renderer, AXObjectCache* axObjectCache)
 {
-    return adoptRef(new AXRenderObject(renderer));
+    return adoptRef(new AXRenderObject(renderer, axObjectCache));
 }
 
 AXRenderObject::~AXRenderObject()