[Sync] Move sync/{internal_api,syncable} into syncer namespace

sync/syncable/entry_kernel.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/syncable/entry_kernel.h"
 
 #include "base/string_number_conversions.h"
 #include "sync/protocol/proto_value_conversions.h"
 #include "sync/syncable/syncable_enum_conversions.h"
 
+namespace syncer {
 namespace syncable {
 
 EntryKernel::EntryKernel() : dirty_(false) {
   // Everything else should already be default-initialized.
   for (int i = INT64_FIELDS_BEGIN; i < INT64_FIELDS_END; ++i) {
     int64_fields[i] = 0;
   }
 }
 
 EntryKernel::~EntryKernel() {}
@@ skipping 120 matching lines @@
 }
 
 DictionaryValue* EntryKernelMutationToValue(
     const EntryKernelMutation& mutation) {
   DictionaryValue* dict = new DictionaryValue();
   dict->Set("original", mutation.original.ToValue());
   dict->Set("mutated", mutation.mutated.ToValue());
   return dict;
 }
 
-}
+}  // namespace syncer
+}  // namespace syncable