Fix StrictTypeChecking on interface type attributes

Source/core/html/canvas/CanvasRenderingContext2D.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 106 matching lines @@
     String globalCompositeOperation() const;
     void setGlobalCompositeOperation(const String&);
 
     void save() { ++m_stateStack.last()->m_unrealizedSaveCount; }
     void restore();
 
     PassRefPtr<SVGMatrixTearOff> currentTransform() const
     {
         return SVGMatrixTearOff::create(state().m_transform);
     }
-    void setCurrentTransform(PassRefPtr<SVGMatrixTearOff>, ExceptionState&);
+    void setCurrentTransform(PassRefPtr<SVGMatrixTearOff>);
 
     void scale(float sx, float sy);
     void rotate(float angleInRadians);
     void translate(float tx, float ty);
     void transform(float m11, float m12, float m21, float m22, float dx, float dy);
     void setTransform(float m11, float m12, float m21, float m22, float dx, float dy);
     void resetTransform();
 
     void setStrokeColor(const String& color);
     void setStrokeColor(float grayLevel);
@@ skipping 218 matching lines @@
     Timer<CanvasRenderingContext2D> m_dispatchContextLostEventTimer;
     Timer<CanvasRenderingContext2D> m_dispatchContextRestoredEventTimer;
     Timer<CanvasRenderingContext2D> m_tryRestoreContextEventTimer;
 };
 
 DEFINE_TYPE_CASTS(CanvasRenderingContext2D, CanvasRenderingContext, context, context->is2d(), context.is2d());
 
 } // namespace WebCore
 
 #endif