cc: Cleanup class/struct forward declarations

cc/surfaces/surface_hittest.h

 // Copyright 2015 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 CC_SURFACES_SURFACE_HITTEST_H_
 #define CC_SURFACES_SURFACE_HITTEST_H_
 
 #include <set>
 
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surfaces_export.h"
 
 namespace gfx {
 class Point;
 class Transform;
 }
 
 namespace cc {
 
 class DrawQuad;
-class QuadList;
 class RenderPass;
 class RenderPassId;
 class SurfaceHittestDelegate;
 class SurfaceManager;
 
 // Performs a hittest in surface quads.
 class CC_SURFACES_EXPORT SurfaceHittest {
  public:
   SurfaceHittest(SurfaceHittestDelegate* delegate, SurfaceManager* manager);
   ~SurfaceHittest();
@@ skipping 44 matching lines @@
                    const gfx::Point& point_in_render_pass_space,
                    gfx::Transform* target_to_quad_transform,
                    gfx::Point* point_in_quad_space);
 
   SurfaceHittestDelegate* const delegate_;
   SurfaceManager* const manager_;
 };
 }  // namespace cc
 
 #endif  // CC_SURFACES_SURFACE_HITTEST_H_