[Sync] Rename csync namespace to syncer

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 csync::Cryptographer;
+using syncer::Cryptographer;
 
-namespace csync {
+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();
   scoped_ptr<sync_pb::PasswordSpecificsData> data(
       new sync_pb::PasswordSpecificsData);
   if (!crypto->Decrypt(encrypted, data.get()))
     return NULL;
   return data.release();
 }
 
 // The list of names which are reserved for use by the server.
 static const char* kForbiddenServerNames[] = { "", ".", ".." };
 
 // When taking a name from the syncapi, append a space if it matches the
 // pattern of a server-illegal name followed by zero or more spaces.
-void SyncAPINameToServerName(const std::string& csync_name,
+void SyncAPINameToServerName(const std::string& syncer_name,
                              std::string* out) {
-  *out = csync_name;
+  *out = syncer_name;
   if (IsNameServerIllegalAfterTrimming(*out))
     out->append(" ");
 }
 
 // Checks whether |name| is a server-illegal name followed by zero or more space
 // characters.  The three server-illegal names are the empty string, dot, and
 // dot-dot.  Very long names (>255 bytes in UTF-8 Normalization Form C) are
 // also illegal, but are not considered here.
 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 csync::Cryptographer* cryptographer,
+bool AreSpecificsEqual(const syncer::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;
     }
     left_plaintext = cryptographer->DecryptToString(left.encrypted());
   } else {
     left_plaintext = left.SerializeAsString();
   }
   if (right.has_encrypted()) {
     if (!cryptographer->CanDecrypt(right.encrypted())) {
       NOTREACHED() << "Attempting to compare undecryptable data.";
       return false;
     }
     right_plaintext = cryptographer->DecryptToString(right.encrypted());
   } else {
     right_plaintext = right.SerializeAsString();
   }
   if (left_plaintext == right_plaintext) {
     return true;
   }
   return false;
 }
 
-} // namespace csync
+}  // namespace syncer