Transform XML tree viewer to blink-in-js implementation.

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 434 matching lines @@
             'workers/WorkerConsole.idl',
             'workers/WorkerGlobalScope.idl',
             'workers/WorkerLocation.idl',
             'workers/WorkerNavigator.idl',
             'xml/DOMParser.idl',
             'xml/XMLHttpRequest.idl',
             'xml/XMLHttpRequestEventTarget.idl',
             'xml/XMLHttpRequestProgressEvent.idl',
             'xml/XMLHttpRequestUpload.idl',
             'xml/XMLSerializer.idl',
+            'xml/XMLTreeViewer.idl',
             'xml/XPathEvaluator.idl',
             'xml/XPathExpression.idl',
             'xml/XPathNSResolver.idl',
             'xml/XPathResult.idl',
             'xml/XSLTProcessor.idl',
         ],
         # 'partial interface', target (right side of) 'implements', and
         # interfaces with static bindings (in bindings/core/v8/)
         'core_dependency_idl_files': [
             'animation/DocumentAnimation.idl',
@@ skipping 1397 matching lines @@
             'xml/XMLHttpRequest.cpp',
             'xml/XMLHttpRequest.h',
             'xml/XMLHttpRequestEventTarget.h',
             'xml/XMLHttpRequestProgressEvent.h',
             'xml/XMLHttpRequestProgressEventThrottle.cpp',
             'xml/XMLHttpRequestProgressEventThrottle.h',
             'xml/XMLHttpRequestUpload.cpp',
             'xml/XMLHttpRequestUpload.h',
             'xml/XMLSerializer.cpp',
             'xml/XMLSerializer.h',
-            'xml/XMLTreeViewer.cpp',
             'xml/XMLTreeViewer.h',
             'xml/XPathEvaluator.cpp',
             'xml/XPathEvaluator.h',
             'xml/XPathExpression.cpp',
             'xml/XPathExpression.h',
             'xml/XPathExpressionNode.cpp',
             'xml/XPathExpressionNode.h',
             'xml/XPathFunctions.cpp',
             'xml/XPathFunctions.h',
             'xml/XPathNSResolver.cpp',
@@ skipping 1583 matching lines @@
             'rendering/shapes/BoxShapeTest.cpp',
             'rendering/style/OutlineValueTest.cpp',
             'testing/PrivateScriptTestTest.cpp',
             'streams/ReadableStreamTest.cpp',
             'testing/UnitTestHelpers.cpp',
             'testing/UnitTestHelpers.h',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }