gdata: Check entry_proto.get() before calling has_file_specific_info()

chrome/browser/chromeos/gdata/drive_task_executor.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/drive_task_executor.h"
 
 #include <string>
 #include <vector>
 
 #include "base/json/json_writer.h"
@@ skipping 73 matching lines @@
     GDataFileError error,
     scoped_ptr<gdata::GDataEntryProto> entry_proto) {
   // If we aborted, then this will be zero.
   if (!current_index_)
     return;
 
   gdata::GDataSystemService* system_service =
       gdata::GDataSystemServiceFactory::GetForProfile(profile());
 
   // Here, we are only insterested in files.
-  if (!entry_proto->has_file_specific_info())
+  if (entry_proto.get() && !entry_proto->has_file_specific_info())
     error = gdata::GDATA_FILE_ERROR_NOT_FOUND;
 
   if (!system_service || error != GDATA_FILE_OK) {
     Done(false);
     return;
   }
 
   gdata::DocumentsServiceInterface* docs_service =
       system_service->docs_service();
 
@@ skipping 64 matching lines @@
 
 void DriveTaskExecutor::Done(bool success) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   current_index_ = 0;
   if (!done_.is_null())
     done_.Run(success);
   done_.Reset();
 }
 
 }  // namespace gdata