Remove wchar/wstring version of StringPrintf.

content/browser/geolocation/wifi_data_provider_common_unittest.cc

 // 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 <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string_util.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "base/utf_string_conversions.h"
@@ skipping 116 matching lines @@
   }
 
  protected:
   MessageLoop main_message_loop_;
   MessageLoopQuitListener quit_listener_;
   scoped_refptr<WifiDataProviderCommonWithMock> provider_;
   MockWlanApi* wlan_api_;
   MockPollingPolicy* polling_policy_;
 };
 
+TEST_F(GeolocationWifiDataProviderCommonTest, MacAddressString) {
+  uint8 mac[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
+  string16 actual = MacAddressAsString16(mac);
+  string16 expected = ASCIIToUTF16("ff-ff-ff-ff-ff-ff");
+  EXPECT_EQ(expected, actual);
+}
+
 TEST_F(GeolocationWifiDataProviderCommonTest, CreateDestroy) {
   // Test fixture members were SetUp correctly.
   EXPECT_EQ(&main_message_loop_, MessageLoop::current());
   EXPECT_TRUE(NULL != provider_.get());
   EXPECT_TRUE(NULL != wlan_api_);
 }
 
 TEST_F(GeolocationWifiDataProviderCommonTest, StartThread) {
   EXPECT_CALL(*wlan_api_, GetAccessPointData(_))
       .Times(AtLeast(1));
@@ skipping 78 matching lines @@
   MessageLoopQuitListener quit_listener(&main_message_loop_);
   WifiDataProvider::SetFactory(CreateWifiDataProviderCommonWithMock);
   DeviceDataProvider<WifiData>::Register(&quit_listener);
   main_message_loop_.Run();
   DeviceDataProvider<WifiData>::Unregister(&quit_listener);
   DeviceDataProvider<WifiData>::ResetFactory();
 }
 
 }  // namespace