Make use of CreateInterfacePtrAndBind() where appropriate

sql/mojo/vfs_unittest.cc

Index: sql/mojo/vfs_unittest.cc
diff --git a/sql/mojo/vfs_unittest.cc b/sql/mojo/vfs_unittest.cc
index e53ea11cf75c2160666af614457251dacd6de430..a6a87c4650c2afdbc688df2b8f4391b126f3f0bc 100644
--- a/sql/mojo/vfs_unittest.cc
+++ b/sql/mojo/vfs_unittest.cc
@@ -55,12 +55,10 @@ class VFSTest : public mojo::test::ApplicationTestBase,
 
     application_impl()->ConnectToService("mojo:filesystem", &files_);
 
-    filesystem::FileSystemClientPtr client;
-    binding_.Bind(GetProxy(&client));
-
     filesystem::FileError error = filesystem::FileError::FAILED;
     filesystem::DirectoryPtr directory;
-    files_->OpenFileSystem("temp", GetProxy(&directory), std::move(client),
+    files_->OpenFileSystem("temp", GetProxy(&directory),
+                           binding_.CreateInterfacePtrAndBind(),
                            mojo::Capture(&error));
     ASSERT_TRUE(files_.WaitForIncomingResponse());
     ASSERT_EQ(filesystem::FileError::OK, error);