Rearrange some includes for core/layout/svg/SVGText*

Source/core/layout/svg/LayoutSVGResourceMasker.h

 /*
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef LayoutSVGResourceMasker_h
 #define LayoutSVGResourceMasker_h
 
 #include "core/layout/svg/LayoutSVGResourceContainer.h"
 #include "core/svg/SVGMaskElement.h"
 #include "core/svg/SVGUnitTypes.h"
 #include "platform/geometry/FloatRect.h"
-#include "platform/geometry/IntSize.h"
-#include "platform/graphics/ImageBuffer.h"
-
-#include "wtf/HashMap.h"
-#include "wtf/OwnPtr.h"
 
 class SkPicture;
-class AffineTransform;
 
 namespace blink {
 
+class AffineTransform;
 class GraphicsContext;
 
 class LayoutSVGResourceMasker final : public LayoutSVGResourceContainer {
 public:
     explicit LayoutSVGResourceMasker(SVGMaskElement*);
     virtual ~LayoutSVGResourceMasker();
 
     virtual const char* name() const override { return "LayoutSVGResourceMasker"; }
 
     virtual void removeAllClientsFromCache(bool markForInvalidation = true) override;
@@ skipping 14 matching lines @@
 
     RefPtr<const SkPicture> m_maskContentPicture;
     FloatRect m_maskContentBoundaries;
 };
 
 DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(LayoutSVGResourceMasker, MaskerResourceType);
 
 }
 
 #endif