Move OmahaQueryParams to a component and add a delegate interface.

chrome/browser/omaha_query_params/omaha_query_params_unittest.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/omaha_query_params/omaha_query_params.h"
-
-#include "base/strings/stringprintf.h"
-#include "chrome/common/chrome_version_info.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using base::StringPrintf;
-
-namespace chrome {
-
-bool Contains(const std::string& source, const std::string& target) {
-  return source.find(target) != std::string::npos;
-}
-
-void TestParams(OmahaQueryParams::ProdId prod_id) {
-  std::string params = OmahaQueryParams::Get(prod_id);
-
-  // This doesn't so much test what the values are (since that would be an
-  // almost exact duplication of code with omaha_query_params.cc, and wouldn't
-  // really test anything) as it is a verification that all the params are
-  // present in the generated string.
-  EXPECT_TRUE(
-      Contains(params, StringPrintf("os=%s", OmahaQueryParams::GetOS())));
-  EXPECT_TRUE(
-      Contains(params, StringPrintf("arch=%s", OmahaQueryParams::GetArch())));
-  EXPECT_TRUE(Contains(
-      params,
-      StringPrintf("prod=%s", OmahaQueryParams::GetProdIdString(prod_id))));
-  EXPECT_TRUE(Contains(
-      params,
-      StringPrintf("prodchannel=%s", OmahaQueryParams::GetChannelString())));
-  EXPECT_TRUE(Contains(
-      params,
-      StringPrintf("prodversion=%s", chrome::VersionInfo().Version().c_str())));
-  EXPECT_TRUE(Contains(
-      params,
-      StringPrintf("lang=%s", OmahaQueryParams::GetLang())));
-}
-
-TEST(OmahaQueryParams, GetOmahaQueryParams) {
-  TestParams(OmahaQueryParams::CRX);
-  TestParams(OmahaQueryParams::CHROME);
-}
-
-}  // namespace chrome