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

sync/syncable/syncable_enum_conversions.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.
 
 // Keep this file in sync with entry_kernel.h.
 
 #include "sync/syncable/syncable_enum_conversions.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 
+namespace syncer {
 namespace syncable {
 
 // We can't tokenize expected_min/expected_max since it can be a
 // general expression.
 #define ASSERT_ENUM_BOUNDS(enum_min, enum_max, expected_min, expected_max) \
   COMPILE_ASSERT(static_cast<int>(enum_min) ==                          \
                  static_cast<int>(expected_min),                        \
                  enum_min##_not_expected_min);                          \
   COMPILE_ASSERT(static_cast<int>(enum_max) ==                          \
                  static_cast<int>(expected_max),                        \
@@ skipping 133 matching lines @@
     case BIT_TEMPS_END: break;
   }
   NOTREACHED();
   return "";
 }
 
 #undef ENUM_CASE
 #undef ASSERT_ENUM_BOUNDS
 
 }  // namespace syncable
+}  // namespace syncer