cc: Switch the DrawQuad enum names to chromium style and remove pragmas

cc/texture_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_TEXTURE_DRAW_QUAD_H_
 #define CC_TEXTURE_DRAW_QUAD_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/cc_export.h"
 #include "cc/draw_quad.h"
 #include "ui/gfx/rect_f.h"
 
 namespace cc {
 
-#pragma pack(push, 4)
-
 class CC_EXPORT TextureDrawQuad : public DrawQuad {
 public:
     static scoped_ptr<TextureDrawQuad> create(const SharedQuadState*, const gfx::Rect&, unsigned resourceId, bool premultipliedAlpha, const gfx::RectF& uvRect, bool flipped);
     gfx::RectF uvRect() const { return m_uvRect; }
 
     unsigned resourceId() const { return m_resourceId; }
     bool premultipliedAlpha() const { return  m_premultipliedAlpha; }
     bool flipped() const { return m_flipped; }
 
     void setNeedsBlending();
 
     static const TextureDrawQuad* materialCast(const DrawQuad*);
 private:
     TextureDrawQuad(const SharedQuadState*, const gfx::Rect&, unsigned resourceId, bool premultipliedAlpha, const gfx::RectF& uvRect, bool flipped);
 
     unsigned m_resourceId;
     bool m_premultipliedAlpha;
     gfx::RectF m_uvRect;
     bool m_flipped;
 };
 
-#pragma pack(pop)
-
 }
 
 #endif  // CC_TEXTURE_DRAW_QUAD_H_