mac: Prepare for -Wunused-functions.

chrome/browser/managed_mode/managed_user_service.cc

Index: chrome/browser/managed_mode/managed_user_service.cc
diff --git a/chrome/browser/managed_mode/managed_user_service.cc b/chrome/browser/managed_mode/managed_user_service.cc
index 170cee3df23d8379aa4c05479aa12070e123783e..c7476c946db7e83fa0dd3096010a9d9cfc2cc405 100644
--- a/chrome/browser/managed_mode/managed_user_service.cc
+++ b/chrome/browser/managed_mode/managed_user_service.cc
@@ -59,8 +59,6 @@ using base::DictionaryValue;
 using base::Value;
 using content::BrowserThread;
 
-namespace {
-
 const char kManagedModeFinchActive[] = "Active";
 const char kManagedModeFinchName[] = "ManagedModeLaunch";
 const char kManagedUserAccessRequestKeyPrefix[] =
@@ -72,19 +70,6 @@ const char kSwitchFromManagedProfileKeyPrefix[] =
     "X-ManagedUser-Events-SwitchProfile";
 const char kEventTimestamp[] = "timestamp";
 
-std::string CanonicalizeHostname(const std::string& hostname) {
-  std::string canonicalized;
-  url_canon::StdStringCanonOutput output(&canonicalized);
-  url_parse::Component in_comp(0, hostname.length());
-  url_parse::Component out_comp;
-
-  url_canon::CanonicalizeHost(hostname.c_str(), in_comp, &output, &out_comp);
-  output.Complete();
-  return canonicalized;
-}
-
-}  // namespace
-
 ManagedUserService::URLFilterContext::URLFilterContext()
     : ui_url_filter_(new ManagedModeURLFilter),
       io_url_filter_(new ManagedModeURLFilter) {}