Enable -Wunused-local-typedef

components/pairing/fake_host_pairing_controller.cc

Index: components/pairing/fake_host_pairing_controller.cc
diff --git a/components/pairing/fake_host_pairing_controller.cc b/components/pairing/fake_host_pairing_controller.cc
index 12798e4b8586861a3af5a952ebdbd510052dc8f0..e6d1e7620f1440edcdbe4bfaec6acd181642cc1d 100644
--- a/components/pairing/fake_host_pairing_controller.cc
+++ b/components/pairing/fake_host_pairing_controller.cc
@@ -36,8 +36,6 @@ FakeHostPairingController::~FakeHostPairingController() {
 }
 
 void FakeHostPairingController::ApplyConfig(const std::string& config) {
-  typedef std::vector<std::string> Tokens;
-
   base::StringPairs kv_pairs;
   CHECK(base::SplitStringIntoKeyValuePairs(config, ':', ',', &kv_pairs))
       << "Wrong config format.";