CanvasPathMethods should be shared with CRC2D and Path2D

Source/core/core.gypi

 {
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/Animation.idl',
             'animation/Player.idl',
             'animation/TimedItem.idl',
             'animation/Timeline.idl',
             'animation/Timing.idl',
             'clipboard/DataTransfer.idl',
@@ skipping 445 matching lines @@
             'dom/GlobalEventHandlers.idl',
             'dom/ParentNode.idl',
             'dom/URLUtils.idl',
             'dom/URLUtilsReadOnly.idl',
             'events/NavigatorEvents.idl',
             'frame/NavigatorID.idl',
             'frame/NavigatorOnLine.idl',
             'frame/WindowBase64.idl',
             'frame/WindowEventHandlers.idl',
             'frame/WindowTimers.idl',
+            'html/canvas/CanvasPathMethods.idl',
             'page/WindowPagePopup.idl',
             'svg/SVGDocument.idl',
             'svg/SVGFilterPrimitiveStandardAttributes.idl',
             'svg/SVGFitToViewBox.idl',
             'svg/SVGTests.idl',
             'svg/SVGURIReference.idl',
             'svg/SVGZoomAndPan.idl',
             'workers/AbstractWorker.idl',
             'xml/DocumentXPathEvaluator.idl',
         ],
@@ skipping 2823 matching lines @@
             'html/parser/HTMLParserThreadTest.cpp',
             'html/track/vtt/BufferedLineReaderTest.cpp',
             'html/track/vtt/VTTScannerTest.cpp',
             'rendering/RenderOverflowTest.cpp',
             'rendering/shapes/BoxShapeTest.cpp',
             'testing/UnitTestHelpers.cpp',
             'testing/UnitTestHelpers.h',
         ],
     }
 }