Wired GDataFileSystem::GetFile() method with internal cache.

chrome/browser/chromeos/gdata/gdata.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.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/message_loop_proxy.h"
@@ skipping 210 matching lines @@
 void DocumentsService::GetAccountMetadata(const GetDataCallback& callback) {
   GetAccountMetadataOperation* operation =
       new GetAccountMetadataOperation(operation_registry_.get(),
                                       profile_,
                                       callback);
   StartOperationOnUIThread(operation);
 }
 
 void DocumentsService::DownloadDocument(
     const FilePath& virtual_path,
+    const FilePath& local_cache_path,
     const GURL& document_url,
     DocumentExportFormat format,
     const DownloadActionCallback& callback) {
   DownloadFile(
       virtual_path,
+      local_cache_path,
       chrome_browser_net::AppendQueryParameter(document_url,
                                                "exportFormat",
                                                GetExportFormatParam(format)),
       callback);
 }
 
 void DocumentsService::DownloadFile(const FilePath& virtual_path,
+                                    const FilePath& local_cache_path,
                                     const GURL& document_url,
                                     const DownloadActionCallback& callback) {
   StartOperationOnUIThread(
       new DownloadFileOperation(operation_registry_.get(), profile_, callback,
-                                document_url, virtual_path));
+                                document_url, virtual_path, local_cache_path));
 }
 
 void DocumentsService::DeleteDocument(const GURL& document_url,
                                       const EntryActionCallback& callback) {
   StartOperationOnUIThread(
       new DeleteDocumentOperation(operation_registry_.get(), profile_, callback,
                                   document_url));
 }
 
 void DocumentsService::CreateDirectory(
@@ skipping 119 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