Print Preview tests: Remove unnecessary C++ class definition

chrome/test/data/webui/print_preview.cc

Index: chrome/test/data/webui/print_preview.cc
diff --git a/chrome/test/data/webui/print_preview.cc b/chrome/test/data/webui/print_preview.cc
deleted file mode 100644
index 64abf4d62f77249fcdedce9297fdcf6e4fc70d48..0000000000000000000000000000000000000000
--- a/chrome/test/data/webui/print_preview.cc
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/test/data/webui/print_preview.h"
-
-PrintPreviewWebUITest::PrintPreviewWebUITest() {}
-
-PrintPreviewWebUITest::~PrintPreviewWebUITest() {}