drive: Enable recursive fast-fetch.

chrome/browser/drive/fake_drive_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/drive/fake_drive_service.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 158 matching lines @@
     : largest_changestamp_(0),
       published_date_seq_(0),
       next_upload_sequence_number_(0),
       default_max_results_(0),
       resource_id_count_(0),
       resource_list_load_count_(0),
       change_list_load_count_(0),
       directory_load_count_(0),
       about_resource_load_count_(0),
       app_list_load_count_(0),
-      offline_(false) {
+      blocked_resource_list_load_count_(0),
+      offline_(false),
+      never_return_all_resource_list_(false) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
 FakeDriveService::~FakeDriveService() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
 bool FakeDriveService::LoadResourceListForWapi(
     const std::string& relative_path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 131 matching lines @@
 
 std::string FakeDriveService::GetRootResourceId() const {
   return "fake_root";
 }
 
 CancelCallback FakeDriveService::GetAllResourceList(
     const GetResourceListCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
+  if (never_return_all_resource_list_) {
+    ++blocked_resource_list_load_count_;
+    return CancelCallback();
+  }
+
   GetResourceListInternal(0,  // start changestamp
                           std::string(),  // empty search query
                           std::string(),  // no directory resource id,
                           0,  // start offset
                           default_max_results_,
                           &resource_list_load_count_,
                           callback);
   return CancelCallback();
 }
 
@@ skipping 1309 matching lines @@
       FROM_HERE,
       base::Bind(callback, HTTP_SUCCESS, base::Passed(&resource_list)));
 }
 
 GURL FakeDriveService::GetNewUploadSessionUrl() {
   return GURL("https://upload_session_url/" +
               base::Int64ToString(next_upload_sequence_number_++));
 }
 
 }  // namespace drive