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core/html/canvas/CanvasRenderingContext2D.idl

Index: core/html/canvas/CanvasRenderingContext2D.idl
diff --git a/core/html/canvas/CanvasRenderingContext2D.idl b/core/html/canvas/CanvasRenderingContext2D.idl
index 22f2c237844d8daf840329ae81a6cc9e935b7808..aa076cca2a10f71aaa6dac41e8dd9bc7643db8bd 100644
--- a/core/html/canvas/CanvasRenderingContext2D.idl
+++ b/core/html/canvas/CanvasRenderingContext2D.idl
@@ -38,7 +38,7 @@ typedef (HTMLImageElement or
 enum CanvasFillRule { "nonzero", "evenodd" };
 
 [
-    TypeChecking=Interface|Nullable|Unrestricted,
+    TypeChecking=Interface|Unrestricted,
     WillBeGarbageCollected,
 ] interface CanvasRenderingContext2D {
     // back-reference to the canvas
@@ -71,9 +71,9 @@ enum CanvasFillRule { "nonzero", "evenodd" };
     [Custom] attribute object fillStyle; // (default black)
     CanvasGradient createLinearGradient(float x0, float y0, float x1, float y1);
     [RaisesException] CanvasGradient createRadialGradient(float x0, float y0, float r0, float x1, float y1, float r1);
-    [RaisesException] CanvasPattern createPattern(HTMLCanvasElement canvas, [TreatNullAs=NullString] DOMString repetitionType);
-    [RaisesException] CanvasPattern createPattern(HTMLImageElement image, [TreatNullAs=NullString] DOMString repetitionType);
-    [RaisesException] CanvasPattern createPattern(HTMLVideoElement image, [TreatNullAs=NullString] DOMString repetitionType);
+    [RaisesException] CanvasPattern createPattern(HTMLCanvasElement canvas, DOMString? repetitionType);
+    [RaisesException] CanvasPattern createPattern(HTMLImageElement image, DOMString? repetitionType);
+    [RaisesException] CanvasPattern createPattern(HTMLVideoElement image, DOMString? repetitionType);
 
     // shadows
     attribute unrestricted float shadowOffsetX;
@@ -123,6 +123,13 @@ enum CanvasFillRule { "nonzero", "evenodd" };
     [RuntimeEnabled=ExperimentalCanvasFeatures, RaisesException] void drawImage(ImageBitmap imageBitmap, unrestricted float x, unrestricted float y, unrestricted float width, unrestricted float height);
     [RuntimeEnabled=ExperimentalCanvasFeatures, RaisesException] void drawImage(ImageBitmap imageBitmap, unrestricted float sx, unrestricted float sy, unrestricted float sw, unrestricted float sh, unrestricted float dx, unrestricted float dy, unrestricted float dw, unrestricted float dh);
 
+    // hit regions
+    // FIXME: Blink does not currently support WebIDL dictionary definitions.
+    // See http://crbug.com/321462
+    [RuntimeEnabled=ExperimentalCanvasFeatures, RaisesException] void addHitRegion(optional Dictionary options);
+    [RuntimeEnabled=ExperimentalCanvasFeatures] void removeHitRegion(DOMString id);
+    [RuntimeEnabled=ExperimentalCanvasFeatures] void clearHitRegions();
+
     // pixel manipulation
     [DartName=createImageDataFromImageData] ImageData createImageData(ImageData imagedata);
     [RaisesException] ImageData createImageData(float sw, float sh);