cc: Chromify the LayerTreeHostImpl class.

cc/tiled_layer_impl_unittest.cc

Index: cc/tiled_layer_impl_unittest.cc
diff --git a/cc/tiled_layer_impl_unittest.cc b/cc/tiled_layer_impl_unittest.cc
index c816f9145ebc8746109046b8b0fb898792540111..bdf9f7b034f479a5c12c78f71a106954b41a8cdd 100644
--- a/cc/tiled_layer_impl_unittest.cc
+++ b/cc/tiled_layer_impl_unittest.cc
@@ -30,7 +30,7 @@ public:
     // visibility of the entire layer size.
     scoped_ptr<TiledLayerImpl> createLayer(const gfx::Size& tileSize, const gfx::Size& layerSize, LayerTilingData::BorderTexelOption borderTexels)
     {
-        scoped_ptr<TiledLayerImpl> layer = TiledLayerImpl::Create(m_hostImpl.activeTree(), 1);
+        scoped_ptr<TiledLayerImpl> layer = TiledLayerImpl::Create(m_hostImpl.active_tree(), 1);
         scoped_ptr<LayerTilingData> tiler = LayerTilingData::create(tileSize, borderTexels);
         tiler->setBounds(layerSize);
         layer->setTilingData(*tiler);