cc/blimp: Remove Initialize and Close messages.

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 83819211ad173940c77e8e00110c2fa9d2b807d8..7e85a199de8ed558ab3f66d3af098832e8a94037 100644
--- a/cc/test/layer_tree_test.h
+++ b/cc/test/layer_tree_test.h
@@ -154,10 +154,6 @@ class LayerTreeTest : public testing::Test, public TestHooks {
   }
 
   void DestroyLayerTreeHost();
-  void DestroyRemoteClientHost() override;
-
-  void CreateRemoteClientHost(
-      const proto::CompositorMessageToImpl& proto) override;
 
   // By default, output surface recreation is synchronous.
   void RequestNewOutputSurface() override;