blink: Cleanup class/struct forward declarations

third_party/WebKit/Source/platform/fonts/shaping/ShapeResultSpacing.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ShapeResultSpacing_h
 #define ShapeResultSpacing_h
 
 #include "platform/PlatformExport.h"
 #include "platform/text/Character.h"
 
 namespace blink {
 
 class FontDescription;
-class ShapeResult;
 class TextRun;
 
 class PLATFORM_EXPORT ShapeResultSpacing final {
  public:
   ShapeResultSpacing(const TextRun&, const FontDescription&);
 
   float letterSpacing() const { return m_letterSpacing; }
   bool hasSpacing() const { return m_hasSpacing; }
   bool isVerticalOffset() const { return m_isVerticalOffset; }
 
@@ skipping 16 matching lines @@
   bool m_hasSpacing;
   bool m_normalizeSpace;
   bool m_allowTabs;
   bool m_isAfterExpansion;
   bool m_isVerticalOffset;
 };
 
 }  // namespace blink
 
 #endif