cc: Remove ScopedPtrVector and cc::remove_if.

cc/tiles/tile_manager_unittest.cc

Index: cc/tiles/tile_manager_unittest.cc
diff --git a/cc/tiles/tile_manager_unittest.cc b/cc/tiles/tile_manager_unittest.cc
index e3c50b940f7ef477abcf60a79c49dd4577be272d..347aa6d463624a714419ca8f263b33193216e1ae 100644
--- a/cc/tiles/tile_manager_unittest.cc
+++ b/cc/tiles/tile_manager_unittest.cc
@@ -838,7 +838,7 @@ TEST_F(TileManagerTilePriorityQueueTest,
   pending_layer_->AddChild(pending_child.Pass());
 
   FakePictureLayerImpl* pending_child_layer =
-      static_cast<FakePictureLayerImpl*>(pending_layer_->children()[0]);
+      static_cast<FakePictureLayerImpl*>(pending_layer_->children()[0].get());
   pending_child_layer->SetDrawsContent(true);
 
   host_impl_.AdvanceToNextFrame(base::TimeDelta::FromMilliseconds(1));
@@ -851,7 +851,7 @@ TEST_F(TileManagerTilePriorityQueueTest,
   SetupPendingTree(pending_raster_source);
 
   FakePictureLayerImpl* active_child_layer =
-      static_cast<FakePictureLayerImpl*>(active_layer_->children()[0]);
+      static_cast<FakePictureLayerImpl*>(active_layer_->children()[0].get());
 
   std::set<Tile*> all_tiles;
   size_t tile_count = 0;