Refactoring ImageBuffer to decouple it from Canvas2DLayerBridge

Source/core/core.gypi

 {
     'variables': {
         'core_idl_files': [
             'css/CSS.idl',
             'css/CSSCharsetRule.idl',
             'css/CSSFontFaceLoadEvent.idl',
             'css/CSSFontFaceRule.idl',
             'css/CSSImportRule.idl',
             'css/CSSKeyframeRule.idl',
             'css/CSSKeyframesRule.idl',
@@ skipping 2720 matching lines @@
             'platform/chromium/ChromiumDataObjectItem.cpp',
             'platform/chromium/ChromiumDataObjectItem.h',
             'platform/chromium/FramelessScrollView.cpp',
             'platform/chromium/FramelessScrollView.h',
             'platform/chromium/FramelessScrollViewClient.h',
             'platform/chromium/KeyCodeConversion.h',
             'platform/chromium/KeyCodeConversionAndroid.cpp',
             'platform/chromium/KeyCodeConversionGtk.cpp',
             'platform/chromium/KeyboardCodes.h',
             'platform/graphics/BitmapImage.cpp',
+            'platform/graphics/Canvas2DImageBufferSurface.h',
             'platform/graphics/Canvas2DLayerBridge.cpp',
             'platform/graphics/Canvas2DLayerBridge.h',
             'platform/graphics/Canvas2DLayerManager.cpp',
             'platform/graphics/Canvas2DLayerManager.h',
             'platform/graphics/CrossfadeGeneratedImage.cpp',
             'platform/graphics/CrossfadeGeneratedImage.cpp',
             'platform/graphics/CrossfadeGeneratedImage.h',
             'platform/graphics/CrossfadeGeneratedImage.h',
             'platform/graphics/CustomFontData.h',
             'platform/graphics/CustomFontData.h',
@@ skipping 151 matching lines @@
             'platform/graphics/filters/custom/CustomFilterProgram.cpp',
             'platform/graphics/filters/custom/CustomFilterProgram.h',
             'platform/graphics/filters/custom/CustomFilterRenderer.cpp',
             'platform/graphics/filters/custom/CustomFilterRenderer.h',
             'platform/graphics/filters/custom/CustomFilterValidatedProgram.cpp',
             'platform/graphics/filters/custom/CustomFilterValidatedProgram.h',
             'platform/graphics/filters/custom/FECustomFilter.cpp',
             'platform/graphics/filters/custom/FECustomFilter.h',
             'platform/graphics/filters/custom/ValidatedCustomFilterOperation.cpp',
             'platform/graphics/filters/custom/ValidatedCustomFilterOperation.h',
+            'platform/graphics/gpu/AcceleratedImageBufferSurface.cpp',
+            'platform/graphics/gpu/AcceleratedImageBufferSurface.h',
             'platform/graphics/gpu/DrawingBuffer.cpp',
             'platform/graphics/gpu/DrawingBuffer.h',
+            'platform/graphics/gpu/NonDrawableAcceleratedImageBufferSurface.cpp',

[Stephen White, 2013/12/04 21:18:40]

Naming nit: NonDrawable might imply you can't draw from it, either. Since we
have Canvas2DImageBufferSurface, how about WebGLImageBufferSurface?

+            'platform/graphics/gpu/NonDrawableAcceleratedImageBufferSurface.h',
             'platform/graphics/gpu/SharedGraphicsContext3D.cpp',
             'platform/graphics/gpu/SharedGraphicsContext3D.h',
             'platform/graphics/harfbuzz/FontHarfBuzz.cpp',
             'platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp',
             'platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.h',
             'platform/graphics/harfbuzz/HarfBuzzFace.cpp',
             'platform/graphics/harfbuzz/HarfBuzzFace.h',
             'platform/graphics/harfbuzz/HarfBuzzFaceCoreText.cpp',
             'platform/graphics/harfbuzz/HarfBuzzFaceSkia.cpp',
             'platform/graphics/harfbuzz/HarfBuzzShaper.cpp',
@@ skipping 660 matching lines @@
             'platform/image-decoders/gif/GIFImageDecoderTest.cpp',
             'platform/image-decoders/jpeg/JPEGImageDecoderTest.cpp',
             'platform/image-decoders/webp/WEBPImageDecoderTest.cpp',
             'platform/testing/FakeWebGraphicsContext3D.h',
             'rendering/RenderOverflowTest.cpp',
             'testing/UnitTestHelpers.h',
             'testing/UnitTestHelpers.cpp',
         ],
     }
 }