[Sync] Remove unneeded 'using syncer::' lines and 'syncer::' scopings

sync/internal_api/syncapi_internal.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 "sync/internal_api/syncapi_internal.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "sync/protocol/password_specifics.pb.h"
 #include "sync/protocol/sync.pb.h"
 #include "sync/util/cryptographer.h"
 
-using syncer::Cryptographer;
-
 namespace syncer {
 
 sync_pb::PasswordSpecificsData* DecryptPasswordSpecifics(
     const sync_pb::EntitySpecifics& specifics, Cryptographer* crypto) {
   if (!specifics.has_password())
     return NULL;
   const sync_pb::PasswordSpecifics& password_specifics = specifics.password();
   if (!password_specifics.has_encrypted())
     return NULL;
   const sync_pb::EncryptedData& encrypted = password_specifics.encrypted();
@@ skipping 23 matching lines @@
 bool IsNameServerIllegalAfterTrimming(const std::string& name) {
   size_t untrimmed_count = name.find_last_not_of(' ') + 1;
   for (size_t i = 0; i < arraysize(kForbiddenServerNames); ++i) {
     if (name.compare(0, untrimmed_count, kForbiddenServerNames[i]) == 0)
       return true;
   }
   return false;
 }
 
 // Compare the values of two EntitySpecifics, accounting for encryption.
-bool AreSpecificsEqual(const syncer::Cryptographer* cryptographer,
+bool AreSpecificsEqual(const Cryptographer* cryptographer,
                        const sync_pb::EntitySpecifics& left,
                        const sync_pb::EntitySpecifics& right) {
   // Note that we can't compare encrypted strings directly as they are seeded
   // with a random value.
   std::string left_plaintext, right_plaintext;
   if (left.has_encrypted()) {
     if (!cryptographer->CanDecrypt(left.encrypted())) {
       NOTREACHED() << "Attempting to compare undecryptable data.";
       return false;
     }
@@ skipping 10 matching lines @@
   } else {
     right_plaintext = right.SerializeAsString();
   }
   if (left_plaintext == right_plaintext) {
     return true;
   }
   return false;
 }
 
 }  // namespace syncer