Revert of Reland 2:Geolocation: move from content/browser to device/

content/browser/geolocation/network_location_provider_unittest.cc

Index: content/browser/geolocation/network_location_provider_unittest.cc
diff --git a/content/browser/geolocation/network_location_provider_unittest.cc b/content/browser/geolocation/network_location_provider_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..dfda555d3ff761ae5a0da0276796fd959de4b66a
--- /dev/null
+++ b/content/browser/geolocation/network_location_provider_unittest.cc
@@ -0,0 +1,559 @@
+// 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 "content/browser/geolocation/network_location_provider.h"
+
+#include <stddef.h>
+
+#include <memory>
+#include <utility>
+
+#include "base/json/json_reader.h"
+#include "base/json/json_writer.h"
+#include "base/macros.h"
+#include "base/run_loop.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
+#include "content/browser/geolocation/fake_access_token_store.h"
+#include "content/browser/geolocation/location_arbitrator_impl.h"
+#include "content/browser/geolocation/wifi_data_provider.h"
+#include "net/base/net_errors.h"
+#include "net/url_request/test_url_fetcher_factory.h"
+#include "net/url_request/url_request_status.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+// Constants used in multiple tests.
+const char kTestServerUrl[] = "https://www.geolocation.test/service";
+const char kAccessTokenString[] = "accessToken";
+
+// Using #define so we can easily paste this into various other strings.
+#define REFERENCE_ACCESS_TOKEN "2:k7j3G6LaL6u_lafw:4iXOeOpTh1glSXe"
+
+// Stops the specified (nested) message loop when the listener is called back.
+class MessageLoopQuitListener {
+ public:
+  MessageLoopQuitListener()
+      : client_message_loop_(base::MessageLoop::current()),
+        updated_provider_(nullptr) {
+    CHECK(client_message_loop_);
+  }
+
+  void OnLocationUpdate(const LocationProvider* provider,
+                        const Geoposition& position) {
+    EXPECT_EQ(client_message_loop_, base::MessageLoop::current());
+    updated_provider_ = provider;
+    client_message_loop_->QuitWhenIdle();
+  }
+
+  base::MessageLoop* client_message_loop_;
+  const LocationProvider* updated_provider_;
+};
+
+// A mock implementation of WifiDataProvider for testing. Adapted from
+// http://gears.googlecode.com/svn/trunk/gears/geolocation/geolocation_test.cc
+class MockWifiDataProvider : public WifiDataProvider {
+ public:
+  // Factory method for use with WifiDataProvider::SetFactoryForTesting.
+  static WifiDataProvider* GetInstance() {
+    CHECK(instance_);
+    return instance_;
+  }
+
+  static MockWifiDataProvider* CreateInstance() {
+    CHECK(!instance_);
+    instance_ = new MockWifiDataProvider;
+    return instance_;
+  }
+
+  MockWifiDataProvider() : start_calls_(0), stop_calls_(0), got_data_(true) {}
+
+  // WifiDataProvider implementation.
+  void StartDataProvider() override { ++start_calls_; }
+
+  void StopDataProvider() override { ++stop_calls_; }
+
+  bool GetData(WifiData* data_out) override {
+    CHECK(data_out);
+    *data_out = data_;
+    return got_data_;
+  }
+
+  void SetData(const WifiData& new_data) {
+    got_data_ = true;
+    const bool differs = data_.DiffersSignificantly(new_data);
+    data_ = new_data;
+    if (differs)
+      this->RunCallbacks();
+  }
+
+  void set_got_data(bool got_data) { got_data_ = got_data; }
+  int start_calls_;
+  int stop_calls_;
+
+ private:
+  ~MockWifiDataProvider() override {
+    CHECK(this == instance_);
+    instance_ = nullptr;
+  }
+
+  static MockWifiDataProvider* instance_;
+
+  WifiData data_;
+  bool got_data_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockWifiDataProvider);
+};
+
+MockWifiDataProvider* MockWifiDataProvider::instance_ = nullptr;
+
+// Main test fixture
+class GeolocationNetworkProviderTest : public testing::Test {
+ public:
+  void TearDown() override {
+    WifiDataProviderManager::ResetFactoryForTesting();
+  }
+
+  LocationProvider* CreateProvider(bool set_permission_granted) {
+    LocationProvider* provider = NewNetworkLocationProvider(
+        access_token_store_,
+        nullptr,  // No URLContextGetter needed, using test urlfecther factory.
+        test_server_url_,
+        access_token_store_->access_token_map_[test_server_url_]);
+    if (set_permission_granted)
+      provider->OnPermissionGranted();
+    return provider;
+  }
+
+ protected:
+  GeolocationNetworkProviderTest()
+      : test_server_url_(kTestServerUrl),
+        access_token_store_(new FakeAccessTokenStore),
+        wifi_data_provider_(MockWifiDataProvider::CreateInstance()) {
+    // TODO(joth): Really these should be in SetUp, not here, but they take no
+    // effect on Mac OS Release builds if done there. I kid not. Figure out why.
+    WifiDataProviderManager::SetFactoryForTesting(
+        MockWifiDataProvider::GetInstance);
+  }
+
+  // Returns the current url fetcher (if any) and advances the id ready for the
+  // next test step.
+  net::TestURLFetcher* get_url_fetcher_and_advance_id() {
+    net::TestURLFetcher* fetcher = url_fetcher_factory_.GetFetcherByID(
+            NetworkLocationRequest::url_fetcher_id_for_tests);
+    if (fetcher)
+      ++NetworkLocationRequest::url_fetcher_id_for_tests;
+    return fetcher;
+  }
+
+  static int IndexToChannel(int index) { return index + 4; }
+
+  // Creates wifi data containing the specified number of access points, with
+  // some differentiating charactistics in each.
+  static WifiData CreateReferenceWifiScanData(int ap_count) {
+    WifiData data;
+    for (int i = 0; i < ap_count; ++i) {
+      AccessPointData ap;
+      ap.mac_address =
+          base::ASCIIToUTF16(base::StringPrintf("%02d-34-56-78-54-32", i));
+      ap.radio_signal_strength = ap_count - i;
+      ap.channel = IndexToChannel(i);
+      ap.signal_to_noise = i + 42;
+      ap.ssid = base::ASCIIToUTF16("Some nice+network|name\\");
+      data.access_point_data.insert(ap);
+    }
+    return data;
+  }
+
+  static void CreateReferenceWifiScanDataJson(
+      int ap_count, int start_index, base::ListValue* wifi_access_point_list) {
+    std::vector<std::string> wifi_data;
+    for (int i = 0; i < ap_count; ++i) {
+      std::unique_ptr<base::DictionaryValue> ap(new base::DictionaryValue());
+      ap->SetString("macAddress", base::StringPrintf("%02d-34-56-78-54-32", i));
+      ap->SetInteger("signalStrength", start_index + ap_count - i);
+      ap->SetInteger("age", 0);
+      ap->SetInteger("channel", IndexToChannel(i));
+      ap->SetInteger("signalToNoiseRatio", i + 42);
+      wifi_access_point_list->Append(std::move(ap));
+    }
+  }
+
+  static Geoposition CreateReferencePosition(int id) {
+    Geoposition pos;
+    pos.latitude = id;
+    pos.longitude = -(id + 1);
+    pos.altitude = 2 * id;
+    pos.timestamp = base::Time::Now();
+    return pos;
+  }
+
+  static std::string PrettyJson(const base::Value& value) {
+    std::string pretty;
+    base::JSONWriter::WriteWithOptions(
+        value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &pretty);
+    return pretty;
+  }
+
+  static testing::AssertionResult JsonGetList(
+      const std::string& field,
+      const base::DictionaryValue& dict,
+      const base::ListValue** output_list) {
+    if (!dict.GetList(field, output_list))
+      return testing::AssertionFailure() << "Dictionary " << PrettyJson(dict)
+                                         << " is missing list field " << field;
+    return testing::AssertionSuccess();
+  }
+
+  static testing::AssertionResult JsonFieldEquals(
+      const std::string& field,
+      const base::DictionaryValue& expected,
+      const base::DictionaryValue& actual) {
+    const base::Value* expected_value;
+    const base::Value* actual_value;
+    if (!expected.Get(field, &expected_value))
+      return testing::AssertionFailure()
+          << "Expected dictionary " << PrettyJson(expected)
+          << " is missing field " << field;
+    if (!expected.Get(field, &actual_value))
+      return testing::AssertionFailure()
+          << "Actual dictionary " << PrettyJson(actual)
+          << " is missing field " << field;
+    if (!expected_value->Equals(actual_value))
+      return testing::AssertionFailure()
+          << "Field " << field << " mismatch: " << PrettyJson(*expected_value)
+          << " != " << PrettyJson(*actual_value);
+    return testing::AssertionSuccess();
+  }
+
+  static GURL UrlWithoutQuery(const GURL& url) {
+    url::Replacements<char> replacements;
+    replacements.ClearQuery();
+    return url.ReplaceComponents(replacements);
+  }
+
+  testing::AssertionResult IsTestServerUrl(const GURL& request_url) {
+    const GURL a(UrlWithoutQuery(test_server_url_));
+    const GURL b(UrlWithoutQuery(request_url));
+    if (a == b)
+      return testing::AssertionSuccess();
+    return testing::AssertionFailure() << a << " != " << b;
+  }
+
+  void CheckRequestIsValid(const net::TestURLFetcher& request,
+                           int expected_routers,
+                           int expected_wifi_aps,
+                           int wifi_start_index,
+                           const std::string& expected_access_token) {
+    const GURL& request_url = request.GetOriginalURL();
+
+    EXPECT_TRUE(IsTestServerUrl(request_url));
+
+    // Check to see that the api key is being appended for the default
+    // network provider url.
+    bool is_default_url = UrlWithoutQuery(request_url) ==
+        UrlWithoutQuery(LocationArbitratorImpl::DefaultNetworkProviderURL());
+    EXPECT_EQ(is_default_url, !request_url.query().empty());
+
+    const std::string& upload_data = request.upload_data();
+    ASSERT_FALSE(upload_data.empty());
+    std::string json_parse_error_msg;
+    std::unique_ptr<base::Value> parsed_json =
+        base::JSONReader::ReadAndReturnError(upload_data, base::JSON_PARSE_RFC,
+                                             nullptr, &json_parse_error_msg);
+    EXPECT_TRUE(json_parse_error_msg.empty());
+    ASSERT_TRUE(parsed_json);
+
+    const base::DictionaryValue* request_json;
+    ASSERT_TRUE(parsed_json->GetAsDictionary(&request_json));
+
+    if (!is_default_url) {
+      if (expected_access_token.empty())
+        ASSERT_FALSE(request_json->HasKey(kAccessTokenString));
+      else {
+        std::string access_token;
+        EXPECT_TRUE(request_json->GetString(kAccessTokenString, &access_token));
+        EXPECT_EQ(expected_access_token, access_token);
+      }
+    }
+
+    if (expected_wifi_aps) {
+      base::ListValue expected_wifi_aps_json;
+      CreateReferenceWifiScanDataJson(
+          expected_wifi_aps,
+          wifi_start_index,
+          &expected_wifi_aps_json);
+      EXPECT_EQ(size_t(expected_wifi_aps), expected_wifi_aps_json.GetSize());
+
+      const base::ListValue* wifi_aps_json;
+      ASSERT_TRUE(JsonGetList("wifiAccessPoints", *request_json,
+                              &wifi_aps_json));
+      for (size_t i = 0; i < expected_wifi_aps_json.GetSize(); ++i ) {
+        const base::DictionaryValue* expected_json;
+        ASSERT_TRUE(expected_wifi_aps_json.GetDictionary(i, &expected_json));
+        const base::DictionaryValue* actual_json;
+        ASSERT_TRUE(wifi_aps_json->GetDictionary(i, &actual_json));
+        ASSERT_TRUE(JsonFieldEquals("macAddress", *expected_json,
+                                    *actual_json));
+        ASSERT_TRUE(JsonFieldEquals("signalStrength", *expected_json,
+                                    *actual_json));
+        ASSERT_TRUE(JsonFieldEquals("channel", *expected_json, *actual_json));
+        ASSERT_TRUE(JsonFieldEquals("signalToNoiseRatio", *expected_json,
+                                    *actual_json));
+      }
+    } else {
+      ASSERT_FALSE(request_json->HasKey("wifiAccessPoints"));
+    }
+    EXPECT_TRUE(request_url.is_valid());
+  }
+
+  GURL test_server_url_;
+  const base::MessageLoop main_message_loop_;
+  const scoped_refptr<FakeAccessTokenStore> access_token_store_;
+  const net::TestURLFetcherFactory url_fetcher_factory_;
+  const scoped_refptr<MockWifiDataProvider> wifi_data_provider_;
+};
+
+TEST_F(GeolocationNetworkProviderTest, CreateDestroy) {
+  // Test fixture members were SetUp correctly.
+  EXPECT_EQ(&main_message_loop_, base::MessageLoop::current());
+  std::unique_ptr<LocationProvider> provider(CreateProvider(true));
+  EXPECT_TRUE(provider);
+  provider.reset();
+  SUCCEED();
+}
+
+TEST_F(GeolocationNetworkProviderTest, StartProvider) {
+  std::unique_ptr<LocationProvider> provider(CreateProvider(true));
+  EXPECT_TRUE(provider->StartProvider(false));
+  net::TestURLFetcher* fetcher = get_url_fetcher_and_advance_id();
+  ASSERT_TRUE(fetcher);
+  CheckRequestIsValid(*fetcher, 0, 0, 0, std::string());
+}
+
+TEST_F(GeolocationNetworkProviderTest, StartProviderDefaultUrl) {
+  test_server_url_ = LocationArbitratorImpl::DefaultNetworkProviderURL();
+  std::unique_ptr<LocationProvider> provider(CreateProvider(true));
+  EXPECT_TRUE(provider->StartProvider(false));
+  net::TestURLFetcher* fetcher = get_url_fetcher_and_advance_id();
+  ASSERT_TRUE(fetcher);
+  CheckRequestIsValid(*fetcher, 0, 0, 0, std::string());
+}
+
+TEST_F(GeolocationNetworkProviderTest, StartProviderLongRequest) {
+  std::unique_ptr<LocationProvider> provider(CreateProvider(true));
+  EXPECT_TRUE(provider->StartProvider(false));
+  const int kFirstScanAps = 20;
+  wifi_data_provider_->SetData(CreateReferenceWifiScanData(kFirstScanAps));
+  base::RunLoop().RunUntilIdle();
+  net::TestURLFetcher* fetcher = get_url_fetcher_and_advance_id();
+  ASSERT_TRUE(fetcher);
+  // The request url should have been shortened to less than 2048 characters
+  // in length by not including access points with the lowest signal strength
+  // in the request.
+  EXPECT_LT(fetcher->GetOriginalURL().spec().size(), size_t(2048));
+  CheckRequestIsValid(*fetcher, 0, 16, 4, std::string());
+}
+
+TEST_F(GeolocationNetworkProviderTest, MultipleWifiScansComplete) {
+  std::unique_ptr<LocationProvider> provider(CreateProvider(true));
+  EXPECT_TRUE(provider->StartProvider(false));
+
+  net::TestURLFetcher* fetcher = get_url_fetcher_and_advance_id();
+  ASSERT_TRUE(fetcher);
+  EXPECT_TRUE(IsTestServerUrl(fetcher->GetOriginalURL()));
+
+  // Complete the network request with bad position fix.
+  const char* kNoFixNetworkResponse =
+      "{"
+      "  \"status\": \"ZERO_RESULTS\""
+      "}";
+  fetcher->set_url(test_server_url_);
+  fetcher->set_status(net::URLRequestStatus());
+  fetcher->set_response_code(200);  // OK
+  fetcher->SetResponseString(kNoFixNetworkResponse);
+  fetcher->delegate()->OnURLFetchComplete(fetcher);
+
+  Geoposition position;
+  provider->GetPosition(&position);
+  EXPECT_FALSE(position.Validate());
+
+  // Now wifi data arrives -- SetData will notify listeners.
+  const int kFirstScanAps = 6;
+  wifi_data_provider_->SetData(CreateReferenceWifiScanData(kFirstScanAps));
+  base::RunLoop().RunUntilIdle();
+  fetcher = get_url_fetcher_and_advance_id();
+  ASSERT_TRUE(fetcher);
+  // The request should have the wifi data.
+  CheckRequestIsValid(*fetcher, 0, kFirstScanAps, 0, std::string());
+
+  // Send a reply with good position fix.
+  const char* kReferenceNetworkResponse =
+      "{"
+      "  \"accessToken\": \"" REFERENCE_ACCESS_TOKEN "\","
+      "  \"accuracy\": 1200.4,"
+      "  \"location\": {"
+      "    \"lat\": 51.0,"
+      "    \"lng\": -0.1"
+      "  }"
+      "}";
+  fetcher->set_url(test_server_url_);
+  fetcher->set_status(net::URLRequestStatus());
+  fetcher->set_response_code(200);  // OK
+  fetcher->SetResponseString(kReferenceNetworkResponse);
+  fetcher->delegate()->OnURLFetchComplete(fetcher);
+
+  provider->GetPosition(&position);
+  EXPECT_EQ(51.0, position.latitude);
+  EXPECT_EQ(-0.1, position.longitude);
+  EXPECT_EQ(1200.4, position.accuracy);
+  EXPECT_FALSE(position.timestamp.is_null());
+  EXPECT_TRUE(position.Validate());
+
+  // Token should be in the store.
+  EXPECT_EQ(base::UTF8ToUTF16(REFERENCE_ACCESS_TOKEN),
+            access_token_store_->access_token_map_[test_server_url_]);
+
+  // Wifi updated again, with one less AP. This is 'close enough' to the
+  // previous scan, so no new request made.
+  const int kSecondScanAps = kFirstScanAps - 1;
+  wifi_data_provider_->SetData(CreateReferenceWifiScanData(kSecondScanAps));
+  base::RunLoop().RunUntilIdle();
+  fetcher = get_url_fetcher_and_advance_id();
+  EXPECT_FALSE(fetcher);
+
+  provider->GetPosition(&position);
+  EXPECT_EQ(51.0, position.latitude);
+  EXPECT_EQ(-0.1, position.longitude);
+  EXPECT_TRUE(position.Validate());
+
+  // Now a third scan with more than twice the original amount -> new request.
+  const int kThirdScanAps = kFirstScanAps * 2 + 1;
+  wifi_data_provider_->SetData(CreateReferenceWifiScanData(kThirdScanAps));
+  base::RunLoop().RunUntilIdle();
+  fetcher = get_url_fetcher_and_advance_id();
+  EXPECT_TRUE(fetcher);
+  CheckRequestIsValid(*fetcher, 0, kThirdScanAps, 0, REFERENCE_ACCESS_TOKEN);
+  // ...reply with a network error.
+
+  fetcher->set_url(test_server_url_);
+  fetcher->set_status(net::URLRequestStatus::FromError(net::ERR_FAILED));
+  fetcher->set_response_code(200);  // should be ignored
+  fetcher->SetResponseString(std::string());
+  fetcher->delegate()->OnURLFetchComplete(fetcher);
+
+  // Error means we now no longer have a fix.
+  provider->GetPosition(&position);
+  EXPECT_FALSE(position.Validate());
+
+  // Wifi scan returns to original set: should be serviced from cache.
+  wifi_data_provider_->SetData(CreateReferenceWifiScanData(kFirstScanAps));
+  base::RunLoop().RunUntilIdle();
+  EXPECT_FALSE(get_url_fetcher_and_advance_id());  // No new request created.
+
+  provider->GetPosition(&position);
+  EXPECT_EQ(51.0, position.latitude);
+  EXPECT_EQ(-0.1, position.longitude);
+  EXPECT_TRUE(position.Validate());
+}
+
+TEST_F(GeolocationNetworkProviderTest, NoRequestOnStartupUntilWifiData) {
+  MessageLoopQuitListener listener;
+  wifi_data_provider_->set_got_data(false);
+  std::unique_ptr<LocationProvider> provider(CreateProvider(true));
+  EXPECT_TRUE(provider->StartProvider(false));
+
+  provider->SetUpdateCallback(base::Bind(
+      &MessageLoopQuitListener::OnLocationUpdate, base::Unretained(&listener)));
+
+  base::RunLoop().RunUntilIdle();
+  EXPECT_FALSE(get_url_fetcher_and_advance_id())
+      << "Network request should not be created right away on startup when "
+         "wifi data has not yet arrived";
+
+  wifi_data_provider_->SetData(CreateReferenceWifiScanData(1));
+  base::RunLoop().RunUntilIdle();
+  EXPECT_TRUE(get_url_fetcher_and_advance_id());
+}
+
+TEST_F(GeolocationNetworkProviderTest, NewDataReplacesExistingNetworkRequest) {
+  // Send initial request with empty data
+  std::unique_ptr<LocationProvider> provider(CreateProvider(true));
+  EXPECT_TRUE(provider->StartProvider(false));
+  net::TestURLFetcher* fetcher = get_url_fetcher_and_advance_id();
+  EXPECT_TRUE(fetcher);
+
+  // Now wifi data arrives; new request should be sent.
+  wifi_data_provider_->SetData(CreateReferenceWifiScanData(4));
+  base::RunLoop().RunUntilIdle();
+  fetcher = get_url_fetcher_and_advance_id();
+  EXPECT_TRUE(fetcher);
+}
+
+TEST_F(GeolocationNetworkProviderTest, NetworkRequestDeferredForPermission) {
+  std::unique_ptr<LocationProvider> provider(CreateProvider(false));
+  EXPECT_TRUE(provider->StartProvider(false));
+  net::TestURLFetcher* fetcher = get_url_fetcher_and_advance_id();
+  EXPECT_FALSE(fetcher);
+  provider->OnPermissionGranted();
+
+  fetcher = get_url_fetcher_and_advance_id();
+  ASSERT_TRUE(fetcher);
+
+  EXPECT_TRUE(IsTestServerUrl(fetcher->GetOriginalURL()));
+}
+
+TEST_F(GeolocationNetworkProviderTest,
+       NetworkRequestWithWifiDataDeferredForPermission) {
+  access_token_store_->access_token_map_[test_server_url_] =
+      base::UTF8ToUTF16(REFERENCE_ACCESS_TOKEN);
+  std::unique_ptr<LocationProvider> provider(CreateProvider(false));
+  EXPECT_TRUE(provider->StartProvider(false));
+  net::TestURLFetcher* fetcher = get_url_fetcher_and_advance_id();
+  EXPECT_FALSE(fetcher);
+
+  static const int kScanCount = 4;
+  wifi_data_provider_->SetData(CreateReferenceWifiScanData(kScanCount));
+  base::RunLoop().RunUntilIdle();
+
+  fetcher = get_url_fetcher_and_advance_id();
+  EXPECT_FALSE(fetcher);
+
+  provider->OnPermissionGranted();
+
+  fetcher = get_url_fetcher_and_advance_id();
+  ASSERT_TRUE(fetcher);
+
+  CheckRequestIsValid(*fetcher, 0, kScanCount, 0, REFERENCE_ACCESS_TOKEN);
+}
+
+TEST_F(GeolocationNetworkProviderTest, NetworkPositionCache) {
+  NetworkLocationProvider::PositionCache cache;
+
+  const int kCacheSize = NetworkLocationProvider::PositionCache::kMaximumSize;
+  for (int i = 1; i < kCacheSize * 2 + 1; ++i) {
+    Geoposition pos = CreateReferencePosition(i);
+    bool ret = cache.CachePosition(CreateReferenceWifiScanData(i), pos);
+    EXPECT_TRUE(ret)  << i;
+    const Geoposition* item =
+        cache.FindPosition(CreateReferenceWifiScanData(i));
+    ASSERT_TRUE(item) << i;
+    EXPECT_EQ(pos.latitude, item->latitude)  << i;
+    EXPECT_EQ(pos.longitude, item->longitude)  << i;
+    if (i <= kCacheSize) {
+      // Nothing should have spilled yet; check oldest item is still there.
+      EXPECT_TRUE(cache.FindPosition(CreateReferenceWifiScanData(1)));
+    } else {
+      const int evicted = i - kCacheSize;
+      EXPECT_FALSE(cache.FindPosition(CreateReferenceWifiScanData(evicted)));
+      EXPECT_TRUE(cache.FindPosition(CreateReferenceWifiScanData(evicted + 1)));
+    }
+  }
+}
+
+}  // namespace content