Implement color management for ImageData

third_party/WebKit/Source/core/html/Float32ImageData.idl

Index: third_party/WebKit/Source/core/html/Float32ImageData.idl
diff --git a/third_party/WebKit/Source/core/html/ImageData.idl b/third_party/WebKit/Source/core/html/Float32ImageData.idl
similarity index 77%
copy from third_party/WebKit/Source/core/html/ImageData.idl
copy to third_party/WebKit/Source/core/html/Float32ImageData.idl
index d52d253a70049da153f86574ce21973a3bae0ad3..d329a353a6ab3b0eb4e16950144661d6a4e36952 100644
--- a/third_party/WebKit/Source/core/html/ImageData.idl
+++ b/third_party/WebKit/Source/core/html/Float32ImageData.idl
@@ -26,16 +26,17 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-// https://html.spec.whatwg.org/#dom-imagedata
+// https://github.com/junov/CanvasColorSpace/blob/master/CanvasColorSpaceProposal.md#imagedata
 
 [
-    Constructor(unsigned long sw, unsigned long sh),
-    Constructor(Uint8ClampedArray data, unsigned long sw, optional unsigned long sh),
+    Constructor(unsigned long sw, unsigned long sh, optional ImageDataColorSpace colorSpace = "legacy-srgb"),
+    Constructor(Float32Array data, unsigned long sw, optional unsigned long sh, optional ImageDataColorSpace colorSpace),
     Exposed=(Window,Worker),
     RaisesException=Constructor,
-] interface ImageData {
+    RuntimeEnabled=ExperimentalCanvasFeatures,
+] interface Float32ImageData {
     readonly attribute unsigned long width;
     readonly attribute unsigned long height;
-    // TODO(foolip): Expose data.
-    // readonly attribute Uint8ClampedArray data;
+    readonly attribute Float32Array data;
+    readonly attribute ImageDataColorSpace colorSpace;
 };