cc: Turn impl_side_painting and use_one_copy on in LayerTreeSettings.

cc/test/layer_test_common.h

Index: cc/test/layer_test_common.h
diff --git a/cc/test/layer_test_common.h b/cc/test/layer_test_common.h
index dfd9729d01a93a06943cfe912048ddcaa48b87ec..9815e80850c18aea1d1f61daceb534f94f40309b 100644
--- a/cc/test/layer_test_common.h
+++ b/cc/test/layer_test_common.h
@@ -9,6 +9,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "cc/quads/render_pass.h"
 #include "cc/test/fake_layer_tree_host.h"
+#include "cc/test/test_task_graph_runner.h"
 #include "cc/trees/layer_tree_host_impl.h"
 
 #define EXPECT_SET_NEEDS_COMMIT(expect, code_to_test)                 \
@@ -124,6 +125,7 @@ class LayerTestCommon {
 
    private:
     FakeLayerTreeHostClient client_;
+    TestTaskGraphRunner task_graph_runner_;
     scoped_ptr<FakeLayerTreeHost> host_;
     scoped_ptr<LayerImpl> root_layer_impl_;
     scoped_ptr<RenderPass> render_pass_;