Explore the possibility of implementing the CSS Region interface.

Source/core/dom/NamedFlow.cpp

Index: Source/core/dom/NamedFlow.cpp
diff --git a/Source/core/dom/NamedFlow.cpp b/Source/core/dom/NamedFlow.cpp
index 4f4d2044d32a3aa2a2dd88d1a37c8872ae99bfdf..ed9f449d02a988ddbe269599e2e15d21fcb719eb 100644
--- a/Source/core/dom/NamedFlow.cpp
+++ b/Source/core/dom/NamedFlow.cpp
@@ -31,7 +31,9 @@
 #include "core/dom/NamedFlow.h"
 
 #include "RuntimeEnabledFeatures.h"
+#include "core/css/CSSRegion.h"
 #include "core/dom/NamedFlowCollection.h"
+#include "core/dom/Range.h"
 #include "core/dom/StaticNodeList.h"
 #include "core/events/ThreadLocalEventNames.h"
 #include "core/events/UIEvent.h"
@@ -117,12 +119,12 @@ int NamedFlow::firstEmptyRegionIndex() const
     return -1;
 }
 
-PassRefPtr<NodeList> NamedFlow::getRegionsByContent(Node* contentNode)
+Vector<RefPtr<CSSRegion>> NamedFlow::getRegionsByContent(Node* contentNode)
 {
-    Vector<RefPtr<Node> > regionNodes;
+    Vector<RefPtr<CSSRegion>> regionObjects;

[Inactive, 2013/10/25 17:51:48]

C++11?

 
     if (!contentNode)
-        return StaticNodeList::adopt(regionNodes);
+        return regionObjects;
 
     if (m_flowManager->document())
         m_flowManager->document()->updateLayoutIgnorePendingStylesheets();
@@ -130,7 +132,7 @@ PassRefPtr<NodeList> NamedFlow::getRegionsByContent(Node* contentNode)
     // The renderer may be destroyed or created after the style update.
     // Because this is called from JS, where the wrapper keeps a reference to the NamedFlow, no guard is necessary.
     if (!m_parentFlowThread)
-        return StaticNodeList::adopt(regionNodes);
+        return regionObjects;
 
     if (inFlowThread(contentNode->renderer(), m_parentFlowThread)) {
         const RenderRegionList& regionList = m_parentFlowThread->renderRegionList();
@@ -141,16 +143,16 @@ PassRefPtr<NodeList> NamedFlow::getRegionsByContent(Node* contentNode)
             if (renderRegion->isPseudoElement())
                 continue;
             if (m_parentFlowThread->objectInFlowRegion(contentNode->renderer(), renderRegion))
-                regionNodes.append(renderRegion->node());
+                regionObjects.append(CSSRegion::create(renderRegion));
         }
     }
 
-    return StaticNodeList::adopt(regionNodes);
+    return regionObjects;
 }
 
-PassRefPtr<NodeList> NamedFlow::getRegions()
+Vector<RefPtr<CSSRegion>> NamedFlow::getRegions()
 {
-    Vector<RefPtr<Node> > regionNodes;
+    Vector<RefPtr<CSSRegion>> regionObjects;
 
     if (m_flowManager->document())
         m_flowManager->document()->updateLayoutIgnorePendingStylesheets();
@@ -158,7 +160,7 @@ PassRefPtr<NodeList> NamedFlow::getRegions()
     // The renderer may be destroyed or created after the style update.
     // Because this is called from JS, where the wrapper keeps a reference to the NamedFlow, no guard is necessary.
     if (!m_parentFlowThread)
-        return StaticNodeList::adopt(regionNodes);
+        return regionObjects;
 
     const RenderRegionList& regionList = m_parentFlowThread->renderRegionList();
     for (RenderRegionList::const_iterator iter = regionList.begin(); iter != regionList.end(); ++iter) {
@@ -167,10 +169,10 @@ PassRefPtr<NodeList> NamedFlow::getRegions()
         // http://dev.w3.org/csswg/css-regions/#the-region-interface
         if (renderRegion->isPseudoElement())
             continue;
-        regionNodes.append(renderRegion->node());
+        regionObjects.append(CSSRegion::create(renderRegion));
     }
 
-    return StaticNodeList::adopt(regionNodes);
+    return regionObjects;
 }
 
 PassRefPtr<NodeList> NamedFlow::getContent()