chromeos: Fix wrong error handling of SetLargestChangestamp

chrome/browser/chromeos/drive/change_list_processor.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/drive/change_list_processor.h"
 
 #include <utility>
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/drive_file_system_util.h"
 #include "chrome/browser/chromeos/drive/drive_resource_metadata.h"
 #include "chrome/browser/chromeos/drive/resource_entry_conversion.h"
 #include "chrome/browser/google_apis/gdata_wapi_parser.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace drive {
 
 namespace {
 
 // Callback for DriveResourceMetadata::SetLargestChangestamp.
 // Runs |on_complete_callback|. |on_complete_callback| must not be null.
 void RunOnCompleteCallback(const base::Closure& on_complete_callback,
                            DriveFileError error) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!on_complete_callback.is_null());
-  DCHECK_EQ(DRIVE_FILE_OK, error);
-
+  DLOG_IF(ERROR, error != DRIVE_FILE_OK) << "SetLargestChangeStamp failed: "
+                                         << DriveFileErrorToString(error);
   on_complete_callback.Run();
 }
 
 }  // namespace
 
 ChangeList::ChangeList(const google_apis::ResourceList& resource_list)
     : largest_changestamp_(resource_list.largest_changestamp()) {
   resource_list.GetNextFeedURL(&next_url_);
 
   entries_.resize(resource_list.entries().size());
@@ skipping 427 matching lines @@
 void ChangeListProcessor::Clear() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   entry_proto_map_.clear();
   changed_dirs_.clear();
   largest_changestamp_ = 0;
   on_complete_callback_.Reset();
 }
 
 }  // namespace drive