cc: Use a ListContainer for DisplayItemList to reduce allocations.

cc/quads/list_container.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 "cc/quads/list_container.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "cc/base/scoped_ptr_vector.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/quads/shared_quad_state.h"
+#include "cc/resources/display_item.h"
 
 namespace {
 const size_t kDefaultNumElementTypesToReserve = 32;
 }  // namespace
 
 namespace cc {
 
 // ListContainerCharAllocator
 ////////////////////////////////////////////////////
 // This class deals only with char* and void*. It does allocation and passing
@@ skipping 684 matching lines @@
   return *this;
 }
 
 template <typename BaseElementType>
 size_t ListContainer<BaseElementType>::ConstReverseIterator::index() const {
   return index_;
 }
 
 template class ListContainer<SharedQuadState>;
 template class ListContainer<DrawQuad>;
+template class ListContainer<DisplayItem>;
 
 }  // namespace cc