Fix DrawQuad copy

cc/draw_quad.h

 // Copyright 2012 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 CCDrawQuad_h
 #define CCDrawQuad_h
 
 #include "cc/shared_quad_state.h"
 
 namespace cc {
@@ skipping 37 matching lines @@
     bool needsBlending() const { return m_needsBlending || !opaqueRect().Contains(m_quadVisibleRect); }
 
     // Allows changing the rect that gets drawn to make it smaller. Parameter passed
     // in will be clipped to quadRect().
     void setQuadVisibleRect(gfx::Rect);
     gfx::Rect quadVisibleRect() const { return m_quadVisibleRect; }
     bool isDebugQuad() const { return m_material == DebugBorder; }
 
     Material material() const { return m_material; }
 
-    // Returns transfer size of this object based on the derived class (by
-    // looking at the material type).
-    unsigned size() const;
-
     scoped_ptr<DrawQuad> copy(const SharedQuadState* copiedSharedQuadState) const;
 
     const SharedQuadState* sharedQuadState() const { return m_sharedQuadState; }
     int sharedQuadStateId() const { return m_sharedQuadStateId; }
     void setSharedQuadState(const SharedQuadState*);
 
 protected:
     DrawQuad(const SharedQuadState*, Material, const gfx::Rect&);
 
     // Stores state common to a large bundle of quads; kept separate for memory
@@ skipping 15 matching lines @@
     // Be default, this rect is empty. It is used when the shared quad state and above
     // variables determine that the quad is not fully opaque but may be partially opaque.
     gfx::Rect m_opaqueRect;
 };
 
 #pragma pack(pop)
 
 }
 
 #endif