Refactor language detection logic to allow non-static CLD data sources.

chrome/browser/translate/static_cld_data_harness.cc

-// Copyright 2014 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 "static_cld_data_harness.h"
-
-namespace test {
-
-StaticCldDataHarness::StaticCldDataHarness() {
-  // static data requires no special work
-}
-
-StaticCldDataHarness::~StaticCldDataHarness() {
-  // static data requires no special work
-}
-
-void StaticCldDataHarness::Init() {
-  // static data requires no special work
-}
-
-scoped_ptr<CldDataHarness> CreateCldDataHarness() {
-  scoped_ptr<CldDataHarness> result(new StaticCldDataHarness());
-  return result.Pass();
-}
-
-}  // namespace test