gdata: Add ability to fetch documents in a particular directory

chrome/browser/chromeos/gdata/gdata_documents_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/chromeos/gdata/gdata_documents_service.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/message_loop_proxy.h"
@@ skipping 85 matching lines @@
 void DocumentsService::Authenticate(const AuthStatusCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   gdata_auth_service_->StartAuthentication(operation_registry_.get(),
                                            callback);
 }
 
 void DocumentsService::GetDocuments(const GURL& url,
                                     int start_changestamp,
                                     const std::string& search_query,
+                                    const std::string& directory_resource_id,
                                     const GetDataCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   GetDocumentsOperation* operation =
       new GetDocumentsOperation(operation_registry_.get(),
                                 profile_,
                                 start_changestamp,
                                 search_query,
+                                directory_resource_id,
                                 callback);
   if (!url.is_empty())
     operation->SetUrl(url);
   StartOperationWithRetry(operation);
 }
 
 void DocumentsService::GetAccountMetadata(const GetDataCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   GetAccountMetadataOperation* operation =
@@ skipping 180 matching lines @@
 void DocumentsService::RetryOperation(GDataOperationInterface* operation) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   gdata_auth_service_->ClearOAuth2Token();
   // User authentication might have expired - rerun the request to force
   // auth token refresh.
   StartOperation(operation);
 }
 
 }  // namespace gdata