Move all filters-related files from core/platform to platform.

Source/platform/blink_platform.gypi

 {
   'variables': {
     'platform_files': [
       'AsyncFileSystemCallbacks.h',
       'CalculationValue.cpp',
       'CalculationValue.h',
       'CheckedInt.h',
       'Clock.cpp',
       'Clock.h',
       'ColorChooser.cpp',
@@ skipping 411 matching lines @@
       'geometry/mac/FloatPointMac.mm',
       'geometry/mac/FloatRectMac.mm',
       'geometry/mac/FloatSizeMac.mm',
       'geometry/mac/IntPointMac.mm',
       'geometry/mac/IntRectMac.mm',
       'geometry/mac/IntSizeMac.mm',
       'graphics/angle/ANGLEPlatformBridge.cpp',
       'graphics/angle/ANGLEPlatformBridge.h',
       'graphics/cg/GraphicsContextCG.h',
       'graphics/cpu/arm/GraphicsContext3DNEON.h',
+      'graphics/cpu/arm/filters/FEBlendNEON.h',
+      'graphics/cpu/arm/filters/FECompositeArithmeticNEON.h',
       'graphics/cpu/arm/filters/FEGaussianBlurNEON.h',
+      'graphics/cpu/arm/filters/FELightingNEON.h',
       'graphics/cpu/arm/filters/NEONHelpers.h',
+      'graphics/filters/FEBlend.cpp',
+      'graphics/filters/FEBlend.h',
+      'graphics/filters/FEColorMatrix.cpp',
+      'graphics/filters/FEColorMatrix.h',
+      'graphics/filters/FEComponentTransfer.cpp',
+      'graphics/filters/FEComponentTransfer.h',
+      'graphics/filters/FEComposite.cpp',
+      'graphics/filters/FEComposite.h',
+      'graphics/filters/FEConvolveMatrix.cpp',
+      'graphics/filters/FEConvolveMatrix.h',
+      'graphics/filters/FEDiffuseLighting.cpp',
+      'graphics/filters/FEDiffuseLighting.h',
+      'graphics/filters/FEDisplacementMap.cpp',
+      'graphics/filters/FEDisplacementMap.h',
+      'graphics/filters/FEDropShadow.cpp',
+      'graphics/filters/FEDropShadow.h',
+      'graphics/filters/FEFlood.cpp',
+      'graphics/filters/FEFlood.h',
       'graphics/filters/FEGaussianBlur.cpp',
       'graphics/filters/FEGaussianBlur.h',
+      'graphics/filters/FELighting.cpp',
+      'graphics/filters/FELighting.h',
+      'graphics/filters/FEMerge.cpp',
+      'graphics/filters/FEMerge.h',
+      'graphics/filters/FEMorphology.cpp',
+      'graphics/filters/FEMorphology.h',
+      'graphics/filters/FEOffset.cpp',
+      'graphics/filters/FEOffset.h',
+      'graphics/filters/FESpecularLighting.cpp',
+      'graphics/filters/FESpecularLighting.h',
+      'graphics/filters/FETile.cpp',
+      'graphics/filters/FETile.h',
+      'graphics/filters/FETurbulence.cpp',
+      'graphics/filters/FETurbulence.h',
       'graphics/filters/Filter.h',
       'graphics/filters/FilterEffect.cpp',
       'graphics/filters/FilterEffect.h',
       'graphics/filters/FilterOperation.cpp',
       'graphics/filters/FilterOperation.h',
       'graphics/filters/FilterOperations.cpp',
       'graphics/filters/FilterOperations.h',
       'graphics/filters/LightSource.cpp',
       'graphics/filters/LightSource.h',
+      'graphics/filters/DistantLightSource.cpp',
+      'graphics/filters/DistantLightSource.h',
       'graphics/filters/ParallelJobs.h',
+      'graphics/filters/PointLightSource.cpp',
+      'graphics/filters/PointLightSource.h',
       'graphics/filters/ReferenceFilter.cpp',
       'graphics/filters/ReferenceFilter.h',
       'graphics/filters/SkiaImageFilterBuilder.cpp',
       'graphics/filters/SkiaImageFilterBuilder.h',
+      'graphics/filters/SourceAlpha.cpp',
+      'graphics/filters/SourceAlpha.h',
       'graphics/filters/SourceGraphic.cpp',
       'graphics/filters/SourceGraphic.h',
+      'graphics/filters/SpotLightSource.cpp',
+      'graphics/filters/SpotLightSource.h',
       'graphics/filters/custom/CustomFilterArrayParameter.cpp',
       'graphics/filters/custom/CustomFilterArrayParameter.h',
+      'graphics/filters/custom/CustomFilterCompiledProgram.cpp',
+      'graphics/filters/custom/CustomFilterCompiledProgram.h',
       'graphics/filters/custom/CustomFilterConstants.h',
+      'graphics/filters/custom/CustomFilterGlobalContext.cpp',
+      'graphics/filters/custom/CustomFilterGlobalContext.h',
+      'graphics/filters/custom/CustomFilterMesh.cpp',
+      'graphics/filters/custom/CustomFilterMesh.h',
       'graphics/filters/custom/CustomFilterMeshGenerator.cpp',
       'graphics/filters/custom/CustomFilterMeshGenerator.h',
       'graphics/filters/custom/CustomFilterNumberParameter.cpp',
       'graphics/filters/custom/CustomFilterNumberParameter.h',
+      'graphics/filters/custom/CustomFilterOperation.cpp',
+      'graphics/filters/custom/CustomFilterOperation.h',
       'graphics/filters/custom/CustomFilterParameter.h',
       'graphics/filters/custom/CustomFilterParameterList.cpp',
       'graphics/filters/custom/CustomFilterParameterList.h',
+      'graphics/filters/custom/CustomFilterProgram.cpp',
+      'graphics/filters/custom/CustomFilterProgram.h',
       'graphics/filters/custom/CustomFilterProgramClient.cpp',
       'graphics/filters/custom/CustomFilterProgramClient.h',
       'graphics/filters/custom/CustomFilterProgramInfo.cpp',
       'graphics/filters/custom/CustomFilterProgramInfo.h',
+      'graphics/filters/custom/CustomFilterRenderer.cpp',
+      'graphics/filters/custom/CustomFilterRenderer.h',
       'graphics/filters/custom/CustomFilterTransformParameter.cpp',
       'graphics/filters/custom/CustomFilterTransformParameter.h',
+      'graphics/filters/custom/CustomFilterValidatedProgram.cpp',
+      'graphics/filters/custom/CustomFilterValidatedProgram.h',
+      'graphics/filters/custom/FECustomFilter.cpp',
+      'graphics/filters/custom/FECustomFilter.h',
+      'graphics/filters/custom/ValidatedCustomFilterOperation.cpp',
+      'graphics/filters/custom/ValidatedCustomFilterOperation.h',
       'graphics/gpu/DrawingBuffer.cpp',
       'graphics/gpu/DrawingBuffer.h',
       'graphics/gpu/SharedGraphicsContext3D.cpp',
       'graphics/gpu/SharedGraphicsContext3D.h',
       'graphics/media/MediaPlayer.cpp',
       'graphics/media/MediaPlayer.h',
       'graphics/skia/GaneshUtils.cpp',
       'graphics/skia/GaneshUtils.h',
       'graphics/skia/NativeImageSkia.cpp',
       'graphics/skia/NativeImageSkia.h',
@@ skipping 325 matching lines @@
       'testing/TreeTestHelpers.h',
       'text/BidiResolverTest.cpp',
       'text/DateTimeFormatTest.cpp',
       'weborigin/DatabaseIdentifierTest.cpp',
       'weborigin/KURLTest.cpp',
       'weborigin/OriginAccessEntryTest.cpp',
       'weborigin/SecurityOriginTest.cpp',
     ],
   },
 }