Use custom ListContainer to allocate DrawQuads

cc/output/direct_renderer.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/output/direct_renderer.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
@@ skipping 353 matching lines @@
         frame->current_render_pass == frame->root_render_pass;
 
     DiscardPixels(has_external_stencil_test, draw_rect_covers_full_surface);
     ClearFramebuffer(frame, has_external_stencil_test);
   }
 
   const QuadList& quad_list = render_pass->quad_list;
   for (QuadList::ConstBackToFrontIterator it = quad_list.BackToFrontBegin();
        it != quad_list.BackToFrontEnd();
        ++it) {
-    const DrawQuad& quad = *(*it);
+    const DrawQuad& quad = *it;
     bool should_skip_quad = false;
 
     if (using_scissor_as_optimization) {
       SetScissorStateForQuadWithRenderPassScissor(
           frame, quad, render_pass_scissor, &should_skip_quad);
     } else {
       SetScissorStateForQuad(frame, quad);
     }
 
     if (!should_skip_quad)
-      DoDrawQuad(frame, *it);
+      DoDrawQuad(frame, &quad);
   }
   FinishDrawingQuadList();
 }
 
 bool DirectRenderer::UseRenderPass(DrawingFrame* frame,
                                    const RenderPass* render_pass) {
   frame->current_render_pass = render_pass;
   frame->current_texture = NULL;
 
   if (render_pass == frame->root_render_pass) {
@@ skipping 23 matching lines @@
   ScopedResource* texture = render_pass_textures_.get(id);
   return texture && texture->id();
 }
 
 // static
 gfx::Size DirectRenderer::RenderPassTextureSize(const RenderPass* render_pass) {
   return render_pass->output_rect.size();
 }
 
 }  // namespace cc