Add buffer_to_texture_target_map to LayerTreeSettings

cc/test/layer_tree_test.h

Index: cc/test/layer_tree_test.h
diff --git a/cc/test/layer_tree_test.h b/cc/test/layer_tree_test.h
index c9c38ea60e2bedd450fac3364df3f5d33c49b952..1970a55961821afa60962ba6e394c476b091b2f2 100644
--- a/cc/test/layer_tree_test.h
+++ b/cc/test/layer_tree_test.h
@@ -139,6 +139,7 @@ class LayerTreeTest : public testing::Test, public TestHooks {
   // be used (such as for pixel tests). Or override it and create your own
   // TestCompositorFrameSink to control how it is created.
   virtual std::unique_ptr<TestCompositorFrameSink> CreateCompositorFrameSink(
+      const RendererSettings& renderer_settings,
       scoped_refptr<ContextProvider> compositor_context_provider,
       scoped_refptr<ContextProvider> worker_context_provider);
   // Override this and call the base class to change what ContextProvider will