Remove Float32ImageData and update ImageData for color management

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

Index: third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
diff --git a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
index 6186c7fb4f96970c7bfb35630ae4827bcae6c621..aacbab6fe6c0ab89fea5adfa1e52a6978db6e155 100644
--- a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
+++ b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
@@ -61,6 +61,16 @@ enum CanvasPixelFormat {
   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,