Update uses of UTF conversions in content/ to use the base:: namespace.

content/browser/geolocation/wifi_data_provider_chromeos_unittest.cc

 // Copyright (c) 2011 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 "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/shill_manager_client.h"
 #include "chromeos/network/geolocation_handler.h"
@@ skipping 66 matching lines @@
   EXPECT_EQ(0u, ap_data_.size());
 }
 
 TEST_F(GeolocationChromeOsWifiDataProviderTest, GetOneAccessPoint) {
   message_loop_.RunUntilIdle();
   EXPECT_FALSE(GetAccessPointData());
 
   AddAccessPoints(1, 1);
   EXPECT_TRUE(GetAccessPointData());
   ASSERT_EQ(1u, ap_data_.size());
-  EXPECT_EQ("00:00:03:04:05:06", UTF16ToUTF8(ap_data_.begin()->mac_address));
+  EXPECT_EQ("00:00:03:04:05:06",
+            base::UTF16ToUTF8(ap_data_.begin()->mac_address));
 }
 
 TEST_F(GeolocationChromeOsWifiDataProviderTest, GetManyAccessPoints) {
   message_loop_.RunUntilIdle();
   EXPECT_FALSE(GetAccessPointData());
 
   AddAccessPoints(3, 4);
   EXPECT_TRUE(GetAccessPointData());
   ASSERT_EQ(12u, ap_data_.size());
 }
 
 }  // namespace content