Make DrawQuad constructors public, rm DQ::Create() function

cc/quads/picture_draw_quad.cc

 // Copyright 2013 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.
 
 #include "cc/quads/picture_draw_quad.h"
 
 #include "base/values.h"
 #include "cc/base/math_util.h"
 #include "cc/resources/platform_color.h"
 
 namespace cc {
 
 PictureDrawQuad::PictureDrawQuad() {
 }
 
 PictureDrawQuad::~PictureDrawQuad() {
 }
 
-scoped_ptr<PictureDrawQuad> PictureDrawQuad::Create() {
-  return make_scoped_ptr(new PictureDrawQuad);
-}
-
 void PictureDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
                              const gfx::Rect& rect,
                              const gfx::Rect& opaque_rect,
                              const gfx::Rect& visible_rect,
                              const gfx::RectF& tex_coord_rect,
                              const gfx::Size& texture_size,
                              ResourceFormat texture_format,
                              const gfx::Rect& content_rect,
                              float contents_scale,
                              scoped_refptr<PicturePileImpl> picture_pile) {
@@ skipping 52 matching lines @@
 
 void PictureDrawQuad::ExtendValue(base::DictionaryValue* value) const {
   ContentDrawQuadBase::ExtendValue(value);
   value->Set("content_rect", MathUtil::AsValue(content_rect).release());
   value->SetDouble("contents_scale", contents_scale);
   value->SetInteger("texture_format", texture_format);
   // TODO(piman): picture_pile?
 }
 
 }  // namespace cc