Remove Float32ImageData and update ImageData for color management

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

 /*
  * 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 43 matching lines @@
   kP3CanvasColorSpace,
 };
 
 enum CanvasPixelFormat {
   kRGBA8CanvasPixelFormat,
   kRGB10A2CanvasPixelFormat,
   kRGBA12CanvasPixelFormat,
   kF16CanvasPixelFormat,
 };
 
+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";
+
 class CORE_EXPORT CanvasRenderingContext
     : public GarbageCollectedFinalized<CanvasRenderingContext>,
       public ScriptWrappable,
       public WebThread::TaskObserver {
   WTF_MAKE_NONCOPYABLE(CanvasRenderingContext);
   USING_PRE_FINALIZER(CanvasRenderingContext, dispose);
 
  public:
   virtual ~CanvasRenderingContext() {}
 
@@ skipping 147 matching lines @@
   CanvasColorSpace m_colorSpace;
   CanvasPixelFormat m_pixelFormat;
   bool m_linearPixelMath = false;
   CanvasContextCreationAttributes m_creationAttributes;
   bool m_finalizeFrameScheduled = false;
 };
 
 }  // namespace blink
 
 #endif