Add buffer_to_texture_target_map to LayerTreeSettings

cc/trees/layer_tree_host_unittest_context.cc

Index: cc/trees/layer_tree_host_unittest_context.cc
diff --git a/cc/trees/layer_tree_host_unittest_context.cc b/cc/trees/layer_tree_host_unittest_context.cc
index d1337cb99042ef9b839698dad997d09fd37cbf64..1c630f04719b43d7e629748805e1e7ebcad7fe7f 100644
--- a/cc/trees/layer_tree_host_unittest_context.cc
+++ b/cc/trees/layer_tree_host_unittest_context.cc
@@ -78,6 +78,7 @@ class LayerTreeHostContextTest : public LayerTreeTest {
   }
 
   std::unique_ptr<TestCompositorFrameSink> CreateCompositorFrameSink(
+      const RendererSettings& renderer_settings,
       scoped_refptr<ContextProvider> compositor_context_provider,
       scoped_refptr<ContextProvider> worker_context_provider) override {
     base::AutoLock lock(context3d_lock_);
@@ -98,6 +99,7 @@ class LayerTreeHostContextTest : public LayerTreeTest {
     }
 
     return LayerTreeTest::CreateCompositorFrameSink(
+        renderer_settings,
         TestContextProvider::Create(std::move(compositor_context3d)),
         std::move(worker_context_provider));
   }