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

cc/quads/texture_draw_quad.cc

Index: cc/quads/texture_draw_quad.cc
diff --git a/cc/quads/texture_draw_quad.cc b/cc/quads/texture_draw_quad.cc
index fd57feb1ec8dc480637750c3b19684b0f07c38cf..6637e4f9f72c47cbb6cd8d0fc2c661b2493bd03f 100644
--- a/cc/quads/texture_draw_quad.cc
+++ b/cc/quads/texture_draw_quad.cc
@@ -22,10 +22,6 @@ TextureDrawQuad::TextureDrawQuad()
   this->vertex_opacity[3] = 0.f;
 }
 
-scoped_ptr<TextureDrawQuad> TextureDrawQuad::Create() {
-  return make_scoped_ptr(new TextureDrawQuad);
-}
-
 void TextureDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
                              const gfx::Rect& rect,
                              const gfx::Rect& opaque_rect,