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

mojo/examples/surfaces_app/embedder.cc

 // Copyright 2014 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 "mojo/examples/surfaces_app/embedder.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/output/delegated_frame_data.h"
 #include "cc/quads/render_pass.h"
 #include "cc/quads/solid_color_draw_quad.h"
@@ skipping 31 matching lines @@
   scoped_ptr<RenderPass> pass = RenderPass::Create();
   pass->SetNew(pass_id, rect, rect, gfx::Transform());
 
   gfx::Transform one_transform;
   one_transform.Translate(10 + child_size.width() / 2,
                           50 + child_size.height() / 2);
   one_transform.Rotate(rotation_degrees);
   one_transform.Translate(-child_size.width() / 2, -child_size.height() / 2);
   CreateAndAppendSimpleSharedQuadState(pass.get(), one_transform, size);
 
-  scoped_ptr<SurfaceDrawQuad> surface_one_quad = SurfaceDrawQuad::Create();
+  SurfaceDrawQuad* surface_one_quad =
+      pass->CreateAndAppendDrawQuad<SurfaceDrawQuad>();
   gfx::Rect one_rect(child_size);
   surface_one_quad->SetNew(
       pass->shared_quad_state_list.back(), one_rect, one_rect, child_one);
-  pass->quad_list.push_back(surface_one_quad.PassAs<DrawQuad>());
 
   gfx::Transform two_transform;
   two_transform.Translate(10 + size.width() / 2 + child_size.width() / 2,
                           50 + child_size.height() / 2);
   two_transform.Rotate(-rotation_degrees * 0.76);
   two_transform.Translate(-child_size.width() / 2, -child_size.height() / 2);
   CreateAndAppendSimpleSharedQuadState(pass.get(), two_transform, size);
 
-  scoped_ptr<SurfaceDrawQuad> surface_two_quad = SurfaceDrawQuad::Create();
+  SurfaceDrawQuad* surface_two_quad =
+      pass->CreateAndAppendDrawQuad<SurfaceDrawQuad>();
   gfx::Rect two_rect(child_size);
   surface_two_quad->SetNew(
       pass->shared_quad_state_list.back(), two_rect, two_rect, child_two);
-  pass->quad_list.push_back(surface_two_quad.PassAs<DrawQuad>());
 
   CreateAndAppendSimpleSharedQuadState(pass.get(), gfx::Transform(), size);
-  scoped_ptr<SolidColorDrawQuad> color_quad = SolidColorDrawQuad::Create();
+  SolidColorDrawQuad* color_quad =
+      pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
   bool force_anti_aliasing_off = false;
   color_quad->SetNew(pass->shared_quad_state_list.back(),
                      rect,
                      rect,
                      SK_ColorYELLOW,
                      force_anti_aliasing_off);
-  pass->quad_list.push_back(color_quad.PassAs<DrawQuad>());
 
   scoped_ptr<DelegatedFrameData> delegated_frame_data(new DelegatedFrameData);
   delegated_frame_data->render_pass_list.push_back(pass.Pass());
 
   scoped_ptr<CompositorFrame> frame(new CompositorFrame);
   frame->delegated_frame_data = delegated_frame_data.Pass();
 
   surface_->SubmitFrame(mojo::surfaces::SurfaceId::From(id_),
                         mojo::surfaces::Frame::From(*frame));
 }
 
 }  // namespace examples
 }  // namespace mojo