Clean up SVG rendering API

Source/core/rendering/svg/RenderSVGModelObject.h

 /*
  * Copyright (c) 2009, 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 15 matching lines @@
  * 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 RenderSVGModelObject_h
 #define RenderSVGModelObject_h
 
 #include "core/rendering/RenderObject.h"
 #include "core/svg/SVGElement.h"
-#include "platform/geometry/FloatRect.h"
 
 namespace blink {
 
 // Most renderers in the SVG rendering tree will inherit from this class
 // but not all. (e.g. RenderSVGForeignObject, RenderSVGBlock) thus methods
 // required by SVG renders need to be declared on RenderObject, but shared
 // logic can go in this class or in SVGRenderSupport.
 
-class SVGElement;
-
 class RenderSVGModelObject : public RenderObject {
 public:
     explicit RenderSVGModelObject(SVGElement*);
 
     virtual bool isChildAllowed(RenderObject*, RenderStyle*) const OVERRIDE;
     virtual bool canHaveWhitespaceChildren() const OVERRIDE { return false; }
 
     virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const OVERRIDE;
     virtual void computeFloatRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, FloatRect&, const PaintInvalidationState*) const OVERRIDE FINAL;
 
@@ skipping 21 matching lines @@
     // This method should never be called, SVG uses a different nodeAtPoint method
     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE FINAL;
     virtual void absoluteFocusRingQuads(Vector<FloatQuad>&) OVERRIDE FINAL;
 
     InvalidationReason invalidatePaintIfNeeded(const PaintInvalidationState&, const RenderLayerModelObject& paintInvalidationContainer) OVERRIDE FINAL;
 };
 
 }
 
 #endif