cc: Remove use of PassAs() and constructor-casting with scoped_ptr.

cc/layers/heads_up_display_layer_impl.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/layers/heads_up_display_layer_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/debug/trace_event.h"
@@ skipping 60 matching lines @@
       typeface_(skia::AdoptRef(
           SkTypeface::CreateFromName("monospace", SkTypeface::kBold))),
       fps_graph_(60.0, 80.0),
       paint_time_graph_(16.0, 48.0),
       fade_step_(0) {}
 
 HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {}
 
 scoped_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl(
     LayerTreeImpl* tree_impl) {
-  return HeadsUpDisplayLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
+  return HeadsUpDisplayLayerImpl::Create(tree_impl, id());
 }
 
 void HeadsUpDisplayLayerImpl::AcquireResource(
     ResourceProvider* resource_provider) {
   for (ScopedPtrVector<ScopedResource>::iterator it = resources_.begin();
        it != resources_.end();
        ++it) {
     if (!resource_provider->InUseByConsumer((*it)->id())) {
       resources_.swap(it, resources_.end() - 1);
       return;
@@ skipping 696 matching lines @@
   return "cc::HeadsUpDisplayLayerImpl";
 }
 
 void HeadsUpDisplayLayerImpl::AsValueInto(
     base::debug::TracedValue* dict) const {
   LayerImpl::AsValueInto(dict);
   dict->SetString("layer_name", "Heads Up Display Layer");
 }
 
 }  // namespace cc