Consolidate read-only exception throwing for SVG*TearOffs

third_party/WebKit/Source/core/svg/SVGMatrixTearOff.h

 /*
  * Copyright (C) 2014 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SVGMatrixTearOff_h
 #define SVGMatrixTearOff_h
 
-#include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "platform/transforms/AffineTransform.h"
 
 namespace blink {
 
+class ExceptionState;
 class SVGTransformTearOff;
 
 // SVGMatrixTearOff wraps a AffineTransform for Javascript.
 // Its instance can either hold a static value, or this can be teared off from |SVGTransform.matrix|.
 // This does not derive from SVGPropertyTearOff, as its instances are never tied to an animated property nor an XML attribute.
 class CORE_EXPORT SVGMatrixTearOff final : public GarbageCollected<SVGMatrixTearOff>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static SVGMatrixTearOff* create(const AffineTransform& value)
     {
@@ skipping 47 matching lines @@
     void commitChange();
 
     AffineTransform m_staticValue;
 
     Member<SVGTransformTearOff> m_contextTransform;
 };
 
 } // namespace blink
 
 #endif // SVGMatrixTearOff_h