sync: disable the mistakenly enabled sessions code.

chrome/browser/sync/sync_setup_flow.cc

 // Copyright (c) 2010 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 "chrome/browser/sync/sync_setup_flow.h"
 
 #include "app/gfx/font_util.h"
 #include "base/callback.h"
 #include "base/histogram.h"
 #include "base/json/json_reader.h"
@@ skipping 88 matching lines @@
     return false;
   if (sync_autofill)
     data_types->insert(syncable::AUTOFILL);
 
   bool sync_extensions;
   if (!result->GetBoolean("syncExtensions", &sync_extensions))
     return false;
   if (sync_extensions)
     data_types->insert(syncable::EXTENSIONS);
 
-  bool sync_sessions;
-  if (!result->GetBoolean("syncSessions", &sync_sessions))
-    return false;
-  if (sync_sessions)
-    data_types->insert(syncable::SESSIONS);
-
   bool sync_typed_urls;
   if (!result->GetBoolean("syncTypedUrls", &sync_typed_urls))
     return false;
   if (sync_typed_urls)
     data_types->insert(syncable::TYPED_URLS);
 
   bool sync_apps;
   if (!result->GetBoolean("syncApps", &sync_apps))
     return false;
   if (sync_apps)
@@ skipping 389 matching lines @@
   Browser* b = BrowserList::GetLastActive();
   if (b) {
     b->BrowserShowHtmlDialog(flow, parent_window);
   } else {
     delete flow;
     return NULL;
   }
 #endif  // defined(OS_MACOSX)
   return flow;
 }