Modularize Compact Language Detector 2 (CLD2) data sources

chrome/browser/translate/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 "chrome/browser/translate/cld_data_harness.h"
+
+#include "base/path_service.h"
+#include "chrome/common/chrome_paths.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+// This constant yields the version of the CRX that has been extracted into
+// the test data directory, and must be kept in sync with what is there.
+// A reciprocal comment has been placed in
+// chrome/test/data/cld2_component/README.chromium; don't update one without
+// updating the other.
+const base::FilePath::CharType kCrxVersion[] = FILE_PATH_LITERAL("160");
+}  // namespace
+
+namespace test {
+
+const base::FilePath::CharType* CldDataHarness::GetTestDataSourceCrxVersion() {
+  return kCrxVersion;
+}
+
+void CldDataHarness::GetTestDataSourceDirectory(base::FilePath* out_path) {
+  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, out_path));
+  *out_path =
+      out_path->Append(FILE_PATH_LITERAL("cld2_component")).Append(kCrxVersion);
+}
+
+}  // namespace test