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

cc/quads/io_surface_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/io_surface_draw_quad.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
 
 namespace cc {
 
 IOSurfaceDrawQuad::IOSurfaceDrawQuad()
     : io_surface_resource_id(0),
       orientation(FLIPPED) {
 }
 
-scoped_ptr<IOSurfaceDrawQuad> IOSurfaceDrawQuad::Create() {
-  return make_scoped_ptr(new IOSurfaceDrawQuad);
-}
-
 void IOSurfaceDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
                                const gfx::Rect& rect,
                                const gfx::Rect& opaque_rect,
                                const gfx::Rect& visible_rect,
                                const gfx::Size& io_surface_size,
                                unsigned io_surface_resource_id,
                                Orientation orientation) {
   bool needs_blending = false;
   DrawQuad::SetAll(shared_quad_state, DrawQuad::IO_SURFACE_CONTENT, rect,
                    opaque_rect, visible_rect, needs_blending);
@@ skipping 38 matching lines @@
       break;
     case UNFLIPPED:
       orientation_string = "unflipped";
       break;
   }
 
   value->SetString("orientation", orientation_string);
 }
 
 }  // namespace cc