Move RenderSVGResource into the inheritance hierarchy

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/AnimationNode.idl',
@@ skipping 3008 matching lines @@
             'rendering/svg/RenderSVGInline.cpp',
             'rendering/svg/RenderSVGInline.h',
             'rendering/svg/RenderSVGInlineText.cpp',
             'rendering/svg/RenderSVGInlineText.h',
             'rendering/svg/RenderSVGModelObject.cpp',
             'rendering/svg/RenderSVGModelObject.h',
             'rendering/svg/RenderSVGPath.cpp',
             'rendering/svg/RenderSVGPath.h',
             'rendering/svg/RenderSVGRect.cpp',
             'rendering/svg/RenderSVGRect.h',
-            'rendering/svg/RenderSVGResource.cpp',
-            'rendering/svg/RenderSVGResource.h',
             'rendering/svg/RenderSVGResourceClipper.cpp',
             'rendering/svg/RenderSVGResourceClipper.h',
             'rendering/svg/RenderSVGResourceContainer.cpp',
             'rendering/svg/RenderSVGResourceContainer.h',
             'rendering/svg/RenderSVGResourceFilter.cpp',
             'rendering/svg/RenderSVGResourceFilter.h',
             'rendering/svg/RenderSVGResourceFilterPrimitive.cpp',
             'rendering/svg/RenderSVGResourceFilterPrimitive.h',
             'rendering/svg/RenderSVGResourceGradient.cpp',
             'rendering/svg/RenderSVGResourceGradient.h',
             'rendering/svg/RenderSVGResourceLinearGradient.cpp',
             'rendering/svg/RenderSVGResourceLinearGradient.h',
             'rendering/svg/RenderSVGResourceMarker.cpp',
             'rendering/svg/RenderSVGResourceMarker.h',
             'rendering/svg/RenderSVGResourceMasker.cpp',
             'rendering/svg/RenderSVGResourceMasker.h',
+            'rendering/svg/RenderSVGResourcePaintServer.cpp',
+            'rendering/svg/RenderSVGResourcePaintServer.h',
             'rendering/svg/RenderSVGResourcePattern.cpp',
             'rendering/svg/RenderSVGResourcePattern.h',
             'rendering/svg/RenderSVGResourceRadialGradient.cpp',
             'rendering/svg/RenderSVGResourceRadialGradient.h',
             'rendering/svg/RenderSVGRoot.cpp',
             'rendering/svg/RenderSVGRoot.h',
             'rendering/svg/RenderSVGShape.cpp',
             'rendering/svg/RenderSVGShape.h',
             'rendering/svg/RenderSVGTSpan.cpp',
             'rendering/svg/RenderSVGTSpan.h',
@@ skipping 593 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',
         ],
     }
 }