Implement color management for ImageData

third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp

Index: third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
diff --git a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
index bee46e661fa85faed151a4f92cfdb62aa7729cfc..f2e7787d779413bc34b4a1db945985d2200310f9 100644
--- a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
+++ b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
@@ -37,6 +37,7 @@
 #include "core/frame/ImageBitmap.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/UseCounter.h"
+#include "core/html/Float32ImageData.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLVideoElement.h"
@@ -92,6 +93,19 @@ static inline ImageBitmapSource* toImageBitmapSourceInternal(
     return value.getAsBlob();
   if (value.isImageData())
     return value.getAsImageData();
+  if (value.isFloat32ImageData()) {
+    if (RuntimeEnabledFeatures::experimentalCanvasFeaturesEnabled() &&
+        (RuntimeEnabledFeatures::trueColorRenderingEnabled() ||
+         RuntimeEnabledFeatures::colorCorrectRenderingEnabled())) {
+      return value.getAsFloat32ImageData();
+    }
+    exceptionState.throwDOMException(

[Justin Novosad, 2016/12/16 18:38:11]

This should never be reached since the creation of Float32ImageData is guarded
by exparimental flags.  So you should just call NOTREACHED() instead of
throwing.

[zakerinasab1, 2016/12/19 19:57:39]

Done.

+        V8TypeError,
+        "Float32ImageData is still experimental. It needs one of "
+        "enable-color-correct-rendering or enable-true-color-rendering flags "
+        "besides enable-experimental-canvas-features flag to work.");
+  }
+
   if (value.isImageBitmap())
     return value.getAsImageBitmap();
   if (value.isOffscreenCanvas())