Add utf_string_conversions to base namespace.

chrome/common/service_process_util_unittest.cc

Index: chrome/common/service_process_util_unittest.cc
diff --git a/chrome/common/service_process_util_unittest.cc b/chrome/common/service_process_util_unittest.cc
index 8322c5d5c4cf633bcddbec827cc4201b8a717d72..0ead3840d88c1780759302625916aa8baa667a1a 100644
--- a/chrome/common/service_process_util_unittest.cc
+++ b/chrome/common/service_process_util_unittest.cc
@@ -125,7 +125,7 @@ TEST_F(ServiceProcessStateTest, AutoRun) {
   std::string value_name = GetServiceProcessScopedName("_service_run");
   string16 value;
   EXPECT_TRUE(base::win::ReadCommandFromAutoRun(HKEY_CURRENT_USER,
-                                                UTF8ToWide(value_name),
+                                                base::UTF8ToWide(value_name),
                                                 &value));
   autorun_command_line.reset(new CommandLine(CommandLine::FromString(value)));
 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
@@ -155,7 +155,7 @@ TEST_F(ServiceProcessStateTest, AutoRun) {
   ASSERT_TRUE(state.RemoveFromAutoRun());
 #if defined(OS_WIN)
   EXPECT_FALSE(base::win::ReadCommandFromAutoRun(HKEY_CURRENT_USER,
-                                                 UTF8ToWide(value_name),
+                                                 base::UTF8ToWide(value_name),
                                                  &value));
 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
   EXPECT_FALSE(AutoStart::GetAutostartFileValue(