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

cc/resources/bitmap_content_layer_updater.cc

 // Copyright 2011 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/resources/bitmap_content_layer_updater.h"
 
 #include "cc/debug/devtools_instrumentation.h"
 #include "cc/debug/rendering_stats_instrumentation.h"
 #include "cc/resources/layer_painter.h"
 #include "cc/resources/prioritized_resource.h"
@@ skipping 32 matching lines @@
 BitmapContentLayerUpdater::BitmapContentLayerUpdater(
     scoped_ptr<LayerPainter> painter,
     RenderingStatsInstrumentation* stats_instrumentation,
     int layer_id)
     : ContentLayerUpdater(painter.Pass(), stats_instrumentation, layer_id) {}
 
 BitmapContentLayerUpdater::~BitmapContentLayerUpdater() {}
 
 scoped_ptr<LayerUpdater::Resource> BitmapContentLayerUpdater::CreateResource(
     PrioritizedResourceManager* manager) {
-  return scoped_ptr<LayerUpdater::Resource>(
+  return make_scoped_ptr(
       new Resource(this, PrioritizedResource::Create(manager)));
 }
 
 void BitmapContentLayerUpdater::PrepareToUpdate(const gfx::Size& content_size,
                                                 const gfx::Rect& paint_rect,
                                                 const gfx::Size& tile_size,
                                                 float contents_width_scale,
                                                 float contents_height_scale) {
   if (canvas_size_ != paint_rect.size()) {
     devtools_instrumentation::ScopedLayerTask paint_setup(
@@ skipping 42 matching lines @@
 void BitmapContentLayerUpdater::SetOpaque(bool opaque) {
   if (opaque != layer_is_opaque_) {
     canvas_.clear();
     canvas_size_ = gfx::Size();
   }
 
   ContentLayerUpdater::SetOpaque(opaque);
 }
 
 }  // namespace cc