Remove Float32ImageData and update ImageData for color management

third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
  */
 
 #include "core/html/canvas/CanvasRenderingContext.h"
 
 #include "core/html/canvas/CanvasContextCreationAttributes.h"
 #include "core/html/canvas/CanvasImageSource.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/Platform.h"
 
-constexpr const char* kLegacyCanvasColorSpaceName = "legacy-srgb";
-constexpr const char* kSRGBCanvasColorSpaceName = "srgb";
-constexpr const char* kRec2020CanvasColorSpaceName = "rec2020";
-constexpr const char* kP3CanvasColorSpaceName = "p3";
-
-constexpr const char* kRGBA8CanvasPixelFormatName = "8-8-8-8";
-constexpr const char* kRGB10A2CanvasPixelFormatName = "10-10-10-2";
-constexpr const char* kRGBA12CanvasPixelFormatName = "12-12-12-12";
-constexpr const char* kF16CanvasPixelFormatName = "float16";
-
 namespace blink {
 
 CanvasRenderingContext::CanvasRenderingContext(
     HTMLCanvasElement* canvas,
     OffscreenCanvas* offscreenCanvas,
     const CanvasContextCreationAttributes& attrs)
     : m_canvas(canvas),
       m_offscreenCanvas(offscreenCanvas),
       m_colorSpace(kLegacyCanvasColorSpace),
       m_pixelFormat(kRGBA8CanvasPixelFormat),
@@ skipping 191 matching lines @@
   }
   return taintOrigin;
 }
 
 DEFINE_TRACE(CanvasRenderingContext) {
   visitor->trace(m_canvas);
   visitor->trace(m_offscreenCanvas);
 }
 
 }  // namespace blink