Move NodeListsNodeData class out of NodeRareData.h

Source/core/core.gypi

 {
     'includes': [
       'core_generated.gypi',
     ],
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/Animation.idl',
             'animation/AnimationEffect.idl',
             'animation/AnimationPlayer.idl',
@@ skipping 2019 matching lines @@
             'dom/NodeChildRemovalTracker.cpp',
             'dom/NodeChildRemovalTracker.h',
             'dom/NodeFilter.cpp',
             'dom/NodeFilter.h',
             'dom/NodeFilterCondition.cpp',
             'dom/NodeFilterCondition.h',
             'dom/NodeIterator.cpp',
             'dom/NodeIterator.h',
             'dom/NodeIteratorBase.cpp',
             'dom/NodeIteratorBase.h',
+            'dom/NodeListsNodeData.cpp',
+            'dom/NodeListsNodeData.h',
             'dom/NodeRareData.cpp',
             'dom/NodeRareData.h',
             'dom/NodeRenderStyle.h',
             'dom/NodeRenderingTraversal.cpp',
             'dom/NodeRenderingTraversal.h',
             'dom/NodeTraversal.cpp',
             'dom/NodeTraversal.h',
             'dom/NodeWithIndex.h',
             'dom/Notation.h',
             'dom/ParentNode.h',
@@ skipping 1357 matching lines @@
             'rendering/RenderOverflowTest.cpp',
             'rendering/RenderTableCellTest.cpp',
             'rendering/RenderTableRowTest.cpp',
             'rendering/shapes/BoxShapeTest.cpp',
             'testing/UnitTestHelpers.cpp',
             'testing/UnitTestHelpers.h',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }