Add P3 and Rec2020 to ImageBitmap colorSpaceConversion modes

third_party/WebKit/Source/platform/graphics/CanvasColorParams.h

Index: third_party/WebKit/Source/platform/graphics/CanvasColorParams.h
diff --git a/third_party/WebKit/Source/platform/graphics/CanvasColorParams.h b/third_party/WebKit/Source/platform/graphics/CanvasColorParams.h
index 32d2c1b6e96196289df9fa46602c19e552a35235..29aa073bb40577374e387958eb3b5518f03a7938 100644
--- a/third_party/WebKit/Source/platform/graphics/CanvasColorParams.h
+++ b/third_party/WebKit/Source/platform/graphics/CanvasColorParams.h
@@ -37,6 +37,9 @@ class PLATFORM_EXPORT CanvasColorParams {
   CanvasColorSpace color_space() const { return color_space_; }
   CanvasPixelFormat pixel_format() const { return pixel_format_; }
 
+  void SetCanvasColorSpace(CanvasColorSpace);
+  void SetCanvasPixelFormat(CanvasPixelFormat);
+
   // Returns true if the canvas uses blends output color space values (that is,
   // not linear space colors).
   bool UsesOutputSpaceBlending() const;