Refresh drive file system metadata for entries in search results.

chrome/browser/chromeos/gdata/gdata_files.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/chromeos/gdata/gdata_files.h"
 
 #include "base/utf_string_conversions.h"
 #include "base/platform_file.h"
 #include "base/stringprintf.h"
 #include "base/string_util.h"
@@ skipping 525 matching lines @@
         callback.Run(base::PLATFORM_FILE_OK, entry);
       else
         callback.Run(base::PLATFORM_FILE_ERROR_NOT_FOUND, NULL);
 
       return;
     }
   }
   callback.Run(base::PLATFORM_FILE_ERROR_NOT_FOUND, NULL);
 }
 
+void GDataRootDirectory::RefreshFile(scoped_ptr<GDataFile> fresh_file) {
+  DCHECK(fresh_file.get());
+
+  GDataEntry* old_entry = GetEntryByResourceId(fresh_file->resource_id());
+  GDataDirectory* entry_parent = old_entry ? old_entry->parent() : NULL;
+
+  if (entry_parent) {
+    DCHECK_EQ(fresh_file->resource_id(), old_entry->resource_id());
+    DCHECK(old_entry->AsGDataFile());
+
+    entry_parent->RemoveEntry(old_entry);
+    entry_parent->AddEntry(fresh_file.release());
+  }
+}
+
 GDataEntry* GDataRootDirectory::GetEntryByResourceId(
     const std::string& resource) {
   // GDataFileSystem has already locked.
   ResourceMap::const_iterator iter = resource_map_.find(resource);
   if (iter == resource_map_.end())
     return NULL;
   return iter->second;
 }
 
 // Convert to/from proto.
@@ skipping 204 matching lines @@
     }
 
     FromProto(proto);
     set_origin(FROM_CACHE);
     set_refresh_time(base::Time::Now());
   }
   return ok;
 }
 
 }  // namespace gdata