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

cc/quads/tile_draw_quad.cc

 // 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.
 
 #include "cc/quads/tile_draw_quad.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "third_party/khronos/GLES2/gl2.h"
 
 namespace cc {
 
 TileDrawQuad::TileDrawQuad()
     : resource_id(0) {
 }
 
 TileDrawQuad::~TileDrawQuad() {
 }
 
-scoped_ptr<TileDrawQuad> TileDrawQuad::Create() {
-  return make_scoped_ptr(new TileDrawQuad);
-}
-
 void TileDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
                           const gfx::Rect& rect,
                           const gfx::Rect& opaque_rect,
                           const gfx::Rect& visible_rect,
                           unsigned resource_id,
                           const gfx::RectF& tex_coord_rect,
                           const gfx::Size& texture_size,
                           bool swizzle_contents) {
   ContentDrawQuadBase::SetNew(shared_quad_state,
                               DrawQuad::TILED_CONTENT,
@@ skipping 30 matching lines @@
   DCHECK(quad->material == DrawQuad::TILED_CONTENT);
   return static_cast<const TileDrawQuad*>(quad);
 }
 
 void TileDrawQuad::ExtendValue(base::DictionaryValue* value) const {
   ContentDrawQuadBase::ExtendValue(value);
   value->SetInteger("resource_id", resource_id);
 }
 
 }  // namespace cc