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

cc/resources/tile_manager_unittest.cc

 // Copyright 2013 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/eviction_tile_priority_queue.h"
 #include "cc/resources/raster_tile_priority_queue.h"
 #include "cc/resources/tile.h"
 #include "cc/resources/tile_priority.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
@@ skipping 502 matching lines @@
         state.num_resources_limit);
     host_impl_.tile_manager()->SetGlobalStateForTesting(state);
   }
 
   virtual void SetUp() OVERRIDE {
     InitializeRenderer();
     SetTreePriority(SAME_PRIORITY_FOR_BOTH_TREES);
   }
 
   virtual void InitializeRenderer() {
-    host_impl_.InitializeRenderer(FakeOutputSurface::Create3d());
+    host_impl_.InitializeRenderer(
+        FakeOutputSurface::Create3d().PassAs<OutputSurface>());
   }
 
   void SetupDefaultTrees(const gfx::Size& layer_bounds) {
     gfx::Size tile_size(100, 100);
 
     scoped_refptr<FakePicturePileImpl> pending_pile =
         FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
     scoped_refptr<FakePicturePileImpl> active_pile =
         FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
 
@@ skipping 24 matching lines @@
 
   void SetupPendingTree(scoped_refptr<PicturePileImpl> pile) {
     host_impl_.CreatePendingTree();
     LayerTreeImpl* pending_tree = host_impl_.pending_tree();
     // Clear recycled tree.
     pending_tree->DetachLayerTree();
 
     scoped_ptr<FakePictureLayerImpl> pending_layer =
         FakePictureLayerImpl::CreateWithPile(pending_tree, id_, pile);
     pending_layer->SetDrawsContent(true);
-    pending_tree->SetRootLayer(pending_layer.Pass());
+    pending_tree->SetRootLayer(pending_layer.PassAs<LayerImpl>());
 
     pending_layer_ = static_cast<FakePictureLayerImpl*>(
         host_impl_.pending_tree()->LayerById(id_));
     pending_layer_->DoPostCommitInitializationIfNeeded();
   }
 
   void CreateHighLowResAndSetAllTilesVisible() {
     // Active layer must get updated first so pending layer can share from it.
     active_layer_->CreateDefaultTilingsAndTiles();
     active_layer_->SetAllTilesVisible();
@@ skipping 354 matching lines @@
   gfx::Size layer_bounds(1000, 1000);
 
   scoped_refptr<FakePicturePileImpl> pending_pile =
       FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
   SetupPendingTree(pending_pile);
   pending_layer_->CreateDefaultTilingsAndTiles();
 
   scoped_ptr<FakePictureLayerImpl> pending_child =
       FakePictureLayerImpl::CreateWithPile(
           host_impl_.pending_tree(), 2, pending_pile);
-  pending_layer_->AddChild(pending_child.Pass());
+  pending_layer_->AddChild(pending_child.PassAs<LayerImpl>());
 
   FakePictureLayerImpl* pending_child_layer =
       static_cast<FakePictureLayerImpl*>(pending_layer_->children()[0]);
   pending_child_layer->SetDrawsContent(true);
   pending_child_layer->DoPostCommitInitializationIfNeeded();
   pending_child_layer->CreateDefaultTilingsAndTiles();
 
   std::set<Tile*> all_tiles;
   size_t tile_count = 0;
   RasterTilePriorityQueue raster_queue;
@@ skipping 112 matching lines @@
   EXPECT_EQ(tile_count, all_tiles.size());
   EXPECT_EQ(17u, tile_count);
 
   queue.Reset();
   for (int i = 1; i < 10; ++i) {
     scoped_ptr<FakePictureLayerImpl> pending_layer =
         FakePictureLayerImpl::Create(host_impl_.pending_tree(), id_ + i);
     pending_layer->SetDrawsContent(true);
     pending_layer->DoPostCommitInitializationIfNeeded();
     pending_layer->set_has_valid_tile_priorities(true);
-    pending_layer_->AddChild(pending_layer.Pass());
+    pending_layer_->AddChild(pending_layer.PassAs<LayerImpl>());
   }
 
   host_impl_.BuildRasterQueue(&queue, SAME_PRIORITY_FOR_BOTH_TREES);
   EXPECT_FALSE(queue.IsEmpty());
 
   tile_count = 0;
   all_tiles.clear();
   while (!queue.IsEmpty()) {
     EXPECT_TRUE(queue.Top());
     all_tiles.insert(queue.Top());
@@ skipping 28 matching lines @@
   std::vector<Tile*> tiles(all_tiles.begin(), all_tiles.end());
   host_impl_.tile_manager()->InitializeTilesWithResourcesForTesting(tiles);
 
   EvictionTilePriorityQueue queue;
   for (int i = 1; i < 10; ++i) {
     scoped_ptr<FakePictureLayerImpl> pending_layer =
         FakePictureLayerImpl::Create(host_impl_.pending_tree(), id_ + i);
     pending_layer->SetDrawsContent(true);
     pending_layer->DoPostCommitInitializationIfNeeded();
     pending_layer->set_has_valid_tile_priorities(true);
-    pending_layer_->AddChild(pending_layer.Pass());
+    pending_layer_->AddChild(pending_layer.PassAs<LayerImpl>());
   }
 
   host_impl_.BuildEvictionQueue(&queue, SAME_PRIORITY_FOR_BOTH_TREES);
   EXPECT_FALSE(queue.IsEmpty());
 
   tile_count = 0;
   all_tiles.clear();
   while (!queue.IsEmpty()) {
     EXPECT_TRUE(queue.Top());
     all_tiles.insert(queue.Top());
     ++tile_count;
     queue.Pop();
   }
   EXPECT_EQ(tile_count, all_tiles.size());
   EXPECT_EQ(17u, tile_count);
 }
 
 }  // namespace
 }  // namespace cc