Added preliminary support for tile rasterization with Ganesh

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index 9485c72ee1369bae2ceffb45c9b02876400d6a35..985db588c1ab57dcc74d1efd35037743cf97693e 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1670,11 +1670,16 @@ void LayerTreeHostImpl::CreateAndSetTileManager(
     bool using_map_image) {
   DCHECK(settings_.impl_side_painting);
   DCHECK(resource_provider);
+  // TODO(skaslev) Change this to use the --enable-gpu-rasterizing from
+  // @humper's patch.
+  const bool use_gpu_rasterizing = true;
   tile_manager_ =
       TileManager::Create(this,
                           resource_provider,
+                          context_provider,
                           settings_.num_raster_threads,
                           rendering_stats_instrumentation_,
+                          use_gpu_rasterizing,
                           using_map_image,
                           GetMaxTransferBufferUsageBytes(context_provider),
                           GetMaxRasterTasksUsageBytes(context_provider),