Add server_attachment_metadata field to EntryKernel and sync database.

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"
@@ skipping 145 matching lines @@
     ENUM_CASE(UNIQUE_POSITION);
     case UNIQUE_POSITION_FIELDS_END: break;
   }
   NOTREACHED();
   return "";
 }
 
 const char* GetAttachmentMetadataFieldString(
     AttachmentMetadataField attachment_metadata_field) {
   ASSERT_ENUM_BOUNDS(ATTACHMENT_METADATA,
-                     ATTACHMENT_METADATA,
+                     SERVER_ATTACHMENT_METADATA,
                      ATTACHMENT_METADATA_FIELDS_BEGIN,
                      ATTACHMENT_METADATA_FIELDS_END - 1);
   switch(attachment_metadata_field) {
     ENUM_CASE(ATTACHMENT_METADATA);
+    ENUM_CASE(SERVER_ATTACHMENT_METADATA);
     case ATTACHMENT_METADATA_FIELDS_END: break;
   }
   NOTREACHED();
   return "";
 }
 
 const char* GetBitTempString(BitTemp bit_temp) {
   ASSERT_ENUM_BOUNDS(SYNCING, SYNCING,
                      BIT_TEMPS_BEGIN, BIT_TEMPS_END - 1);
   switch (bit_temp) {
     ENUM_CASE(SYNCING);
     case BIT_TEMPS_END: break;
   }
   NOTREACHED();
   return "";
 }
 
 #undef ENUM_CASE
 #undef ASSERT_ENUM_BOUNDS
 
 }  // namespace syncable
 }  // namespace syncer