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

cc/layers/solid_color_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/solid_color_layer_impl.h"
 
 #include <algorithm>
 
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/trees/occlusion_tracker.h"
 
 namespace cc {
 
 namespace {
 const int kSolidQuadTileSize = 256;
 }
 
 SolidColorLayerImpl::SolidColorLayerImpl(LayerTreeImpl* tree_impl, int id)
     : LayerImpl(tree_impl, id) {
 }
 
 SolidColorLayerImpl::~SolidColorLayerImpl() {}
 
 scoped_ptr<LayerImpl> SolidColorLayerImpl::CreateLayerImpl(
     LayerTreeImpl* tree_impl) {
-  return SolidColorLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
+  return SolidColorLayerImpl::Create(tree_impl, id());
 }
 
 void SolidColorLayerImpl::AppendSolidQuads(
     RenderPass* render_pass,
     const OcclusionTracker<LayerImpl>& occlusion_tracker,
     SharedQuadState* shared_quad_state,
     const gfx::Size& content_bounds,
     const gfx::Transform& target_space_transform,
     SkColor color) {
   Occlusion occlusion =
@@ skipping 39 matching lines @@
                    content_bounds(),
                    draw_properties().target_space_transform,
                    background_color());
 }
 
 const char* SolidColorLayerImpl::LayerTypeAsString() const {
   return "cc::SolidColorLayerImpl";
 }
 
 }  // namespace cc