Introduce SVGPathQuery to hold SVG path query methods

third_party/WebKit/Source/core/core.gypi

 {
     'includes': [
         'core_generated.gypi',
     ],
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/KeyframeEffect.idl',
             'animation/EffectModel.idl',
             'animation/AnimationEffectReadOnly.idl',
@@ skipping 3402 matching lines @@
             'svg/SVGPathByteStreamBuilder.cpp',
             'svg/SVGPathByteStreamBuilder.h',
             'svg/SVGPathByteStreamSource.cpp',
             'svg/SVGPathByteStreamSource.h',
             'svg/SVGPathConsumer.h',
             'svg/SVGPathData.h',
             'svg/SVGPathElement.cpp',
             'svg/SVGPathElement.h',
             'svg/SVGPathParser.cpp',
             'svg/SVGPathParser.h',
+            'svg/SVGPathQuery.cpp',
+            'svg/SVGPathQuery.h',
             'svg/SVGPathSource.h',
             'svg/SVGPathStringBuilder.cpp',
             'svg/SVGPathStringBuilder.h',
             'svg/SVGPathStringSource.cpp',
             'svg/SVGPathStringSource.h',
-            'svg/SVGPathTraversalStateBuilder.cpp',
-            'svg/SVGPathTraversalStateBuilder.h',
             'svg/SVGPathUtilities.cpp',
             'svg/SVGPathUtilities.h',
             'svg/SVGPatternElement.cpp',
             'svg/SVGPatternElement.h',
             'svg/SVGPoint.cpp',
             'svg/SVGPoint.h',
             'svg/SVGPointList.cpp',
             'svg/SVGPointList.h',
             'svg/SVGPointTearOff.cpp',
             'svg/SVGPointTearOff.h',
@@ skipping 491 matching lines @@
             'style/SVGComputedStyleTest.cpp',
             'svg/SVGPathParserTest.cpp',
             'svg/UnsafeSVGAttributeSanitizationTest.cpp',
             'testing/PrivateScriptTestTest.cpp',
             'timing/MemoryInfoTest.cpp',
             'workers/WorkerThreadTest.cpp',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }