SyncFS: store disabled origins in DriveMetadataStore

chrome/browser/sync_file_system/local_file_sync_service.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 "chrome/browser/sync_file_system/local_file_sync_service.h"
 
 #include "base/stl_util.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 66 matching lines @@
   Map::iterator found = change_count_map_.find(origin);
   if (found != change_count_map_.end()) {
     if (next_ == found)
       ++next_;
     change_count_map_.erase(found);
   }
 }
 
 void LocalFileSyncService::OriginChangeMap::SetOriginEnabled(
     const GURL& origin, bool enabled) {
-  if (enabled) {
-    DCHECK(ContainsKey(disabled_origins_, origin));
+  if (enabled)
     disabled_origins_.erase(origin);
-  } else {
+  else
     disabled_origins_.insert(origin);
-  }
 }
 
 // LocalFileSyncService -------------------------------------------------------
 
 LocalFileSyncService::LocalFileSyncService(Profile* profile)
     : profile_(profile),
       sync_context_(new LocalFileSyncContext(
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO))),
       local_change_processor_(NULL) {
@@ skipping 305 matching lines @@
       changes.front(),
       sync_file_info.local_file_path,
       sync_file_info.metadata,
       url,
       base::Bind(&LocalFileSyncService::ProcessNextChangeForURL,
                  AsWeakPtr(), sync_file_info,
                  changes.front(), changes.PopAndGetNewList()));
 }
 
 }  // namespace sync_file_system