Revert of Move ViewDisplayList to GraphicsLayer

Source/platform/blink_platform.gypi

 {
   'includes': [
     'platform_generated.gypi',
   ],
   'variables': {
     'platform_files': [
       'AsyncFileSystemCallbacks.h',
       'CalculationValue.h',
       'CheckedInt.h',
       'Clock.cpp',
@@ skipping 506 matching lines @@
       'graphics/gpu/DrawingBuffer.cpp',
       'graphics/gpu/DrawingBuffer.h',
       'graphics/gpu/Extensions3DUtil.cpp',
       'graphics/gpu/Extensions3DUtil.h',
       'graphics/gpu/WebGLImageBufferSurface.cpp',
       'graphics/gpu/WebGLImageBufferSurface.h',
       'graphics/gpu/WebGLImageConversion.cpp',
       'graphics/gpu/WebGLImageConversion.h',
       'graphics/media/MediaPlayer.cpp',
       'graphics/media/MediaPlayer.h',
-      'graphics/paint/ClipDisplayItem.cpp',
-      'graphics/paint/ClipDisplayItem.h',
-      'graphics/paint/DisplayItem.cpp',
-      'graphics/paint/DisplayItem.h',
-      'graphics/paint/DisplayItemList.cpp',
-      'graphics/paint/DisplayItemList.h',
-      'graphics/paint/DrawingDisplayItem.cpp',
-      'graphics/paint/DrawingDisplayItem.h',
       'graphics/skia/GaneshUtils.cpp',
       'graphics/skia/GaneshUtils.h',
       'graphics/skia/NativeImageSkia.cpp',
       'graphics/skia/NativeImageSkia.h',
       'graphics/skia/SkSizeHash.h',
       'graphics/skia/SkiaUtils.cpp',
       'graphics/skia/SkiaUtils.h',
       'graphics/BitmapImage.cpp',
       'graphics/BitmapImage.h',
       'graphics/BitmapPattern.cpp',
@@ skipping 407 matching lines @@
       'graphics/ImageFrameGeneratorTest.cpp',
       'graphics/ImageLayerChromiumTest.cpp',
       'graphics/test/MockImageDecoder.h',
       'graphics/test/MockWebGraphicsContext3D.h',
       'image-decoders/gif/GIFImageDecoderTest.cpp',
       'image-decoders/jpeg/JPEGImageDecoderTest.cpp',
       'image-decoders/webp/WEBPImageDecoderTest.cpp',
     ],
   },
 }