Fix StrictTypeChecking on interface type attributes

Source/core/html/canvas/CanvasRenderingContext2D.cpp

Index: Source/core/html/canvas/CanvasRenderingContext2D.cpp
diff --git a/Source/core/html/canvas/CanvasRenderingContext2D.cpp b/Source/core/html/canvas/CanvasRenderingContext2D.cpp
index 84a4294e2697b7ceb24dd1a81faf75eaa08f334c..a2c331879613a4a8a33fd2af8f564c1b2e132949 100644
--- a/Source/core/html/canvas/CanvasRenderingContext2D.cpp
+++ b/Source/core/html/canvas/CanvasRenderingContext2D.cpp
@@ -677,16 +677,9 @@ void CanvasRenderingContext2D::setGlobalCompositeOperation(const String& operati
     c->setCompositeOperation(op, blendMode);
 }
 
-void CanvasRenderingContext2D::setCurrentTransform(PassRefPtr<SVGMatrixTearOff> passMatrixTearOff, ExceptionState& exceptionState)
+void CanvasRenderingContext2D::setCurrentTransform(PassRefPtr<SVGMatrixTearOff> passMatrixTearOff)
 {
     RefPtr<SVGMatrixTearOff> matrixTearOff = passMatrixTearOff;
-
-    // FIXME: bindings should do null checking and throw: http://crbug.com/321518
-    if (!matrixTearOff) {
-        exceptionState.throwTypeError("currentTransform only accepts a SVGMatrix.");
-        return;
-    }
-
     const AffineTransform& transform = matrixTearOff->value();
     setTransform(transform.a(), transform.b(), transform.c(), transform.d(), transform.e(), transform.f());
 }