cc: Turn DrawQuad into a struct-like class with public data members.

cc/tile_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 CC_TILE_DRAW_QUAD_H_
 #define CC_TILE_DRAW_QUAD_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/cc_export.h"
 #include "cc/draw_quad.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/size.h"
 
 namespace cc {
 
 class CC_EXPORT TileDrawQuad : public DrawQuad {
 public:
     static scoped_ptr<TileDrawQuad> create(const SharedQuadState*, const gfx::Rect& quadRect, const gfx::Rect& opaqueRect, unsigned resourceId, const gfx::Vector2d& textureOffset, const gfx::Size& textureSize, bool swizzleContents, bool leftEdgeAA, bool topEdgeAA, bool rightEdgeAA, bool bottomEdgeAA);
 
     unsigned resourceId() const { return m_resourceId; }
     gfx::Vector2d textureOffset() const { return m_textureOffset; }
     gfx::Size textureSize() const { return m_textureSize; }
     bool swizzleContents() const { return m_swizzleContents; }
 
+    // TODO(danakj): Stick the data used to compute these things in the quad
+    // instead so the parent compositor can decide to use AA on its own.
     bool leftEdgeAA() const { return m_leftEdgeAA; }
     bool topEdgeAA() const { return m_topEdgeAA; }
     bool rightEdgeAA() const { return m_rightEdgeAA; }
     bool bottomEdgeAA() const { return m_bottomEdgeAA; }
 
     bool isAntialiased() const { return leftEdgeAA() || topEdgeAA() || rightEdgeAA() || bottomEdgeAA(); }
 
     static const TileDrawQuad* materialCast(const DrawQuad*);
 private:
     TileDrawQuad(const SharedQuadState*, const gfx::Rect& quadRect, const gfx::Rect& opaqueRect, unsigned resourceId, const gfx::Vector2d& textureOffset, const gfx::Size& textureSize, bool swizzleContents, bool leftEdgeAA, bool topEdgeAA, bool rightEdgeAA, bool bottomEdgeAA);
 
     unsigned m_resourceId;
     gfx::Vector2d m_textureOffset;
     gfx::Size m_textureSize;
     bool m_swizzleContents;
     bool m_leftEdgeAA;
     bool m_topEdgeAA;
     bool m_rightEdgeAA;
     bool m_bottomEdgeAA;
 };
 
 }
 
 #endif  // CC_TILE_DRAW_QUAD_H_