Fold and remove SVGTextChunk

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 3206 matching lines @@
             'layout/svg/SVGLayoutSupport.cpp',
             'layout/svg/SVGLayoutSupport.h',
             'layout/svg/SVGLayoutTreeAsText.cpp',
             'layout/svg/SVGLayoutTreeAsText.h',
             'layout/svg/SVGMarkerData.h',
             'layout/svg/SVGResources.cpp',
             'layout/svg/SVGResources.h',
             'layout/svg/SVGResourcesCache.cpp',
             'layout/svg/SVGResourcesCycleSolver.cpp',
             'layout/svg/SVGResourcesCycleSolver.h',
-            'layout/svg/SVGTextChunk.cpp',
-            'layout/svg/SVGTextChunk.h',
             'layout/svg/SVGTextChunkBuilder.cpp',
             'layout/svg/SVGTextChunkBuilder.h',
             'layout/svg/SVGTextFragment.h',
             'layout/svg/SVGTextLayoutAttributes.cpp',
             'layout/svg/SVGTextLayoutAttributes.h',
             'layout/svg/SVGTextLayoutAttributesBuilder.cpp',
             'layout/svg/SVGTextLayoutAttributesBuilder.h',
             'layout/svg/SVGTextLayoutEngine.cpp',
             'layout/svg/SVGTextLayoutEngine.h',
             'layout/svg/SVGTextLayoutEngineBaseline.cpp',
@@ skipping 687 matching lines @@
             'style/ComputedStyleTest.cpp',
             'style/OutlineValueTest.cpp',
             'style/SVGComputedStyleTest.cpp',
             'testing/PrivateScriptTestTest.cpp',
             'timing/MemoryInfoTest.cpp',
             'workers/WorkerThreadTest.cpp',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }