[SyncFS] Disable quota management on tests

chrome/browser/sync_file_system/local/canned_syncable_file_system.cc

 // Copyright 2013 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/sync_file_system/local/canned_syncable_file_system.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/bind.h"
@@ skipping 204 matching lines @@
       env_override_(env_override),
       io_task_runner_(io_task_runner),
       file_task_runner_(file_task_runner),
       is_filesystem_set_up_(false),
       is_filesystem_opened_(false),
       sync_status_observers_(new ObserverList) {
 }
 
 CannedSyncableFileSystem::~CannedSyncableFileSystem() {}
 
-void CannedSyncableFileSystem::SetUp() {
+void CannedSyncableFileSystem::SetUp(QuotaMode quota_mode) {
   ASSERT_FALSE(is_filesystem_set_up_);
   ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
 
   scoped_refptr<quota::SpecialStoragePolicy> storage_policy =
       new quota::MockSpecialStoragePolicy();
 
-  quota_manager_ = new QuotaManager(false /* is_incognito */,
-                                    data_dir_.path(),
-                                    io_task_runner_.get(),
-                                    base::MessageLoopProxy::current().get(),
-                                    storage_policy.get());
+  if (quota_mode == QUOTA_ENABLED) {
+    quota_manager_ = new QuotaManager(false /* is_incognito */,
+                                      data_dir_.path(),
+                                      io_task_runner_.get(),
+                                      base::MessageLoopProxy::current().get(),
+                                      storage_policy.get());
+  }
 
   std::vector<std::string> additional_allowed_schemes;
   additional_allowed_schemes.push_back(origin_.scheme());
   fileapi::FileSystemOptions options(
       fileapi::FileSystemOptions::PROFILE_MODE_NORMAL,
       additional_allowed_schemes,
       env_override_);
 
   ScopedVector<fileapi::FileSystemBackend> additional_backends;
   additional_backends.push_back(SyncFileSystemBackend::CreateForTesting());
 
   file_system_context_ = new FileSystemContext(
       io_task_runner_.get(),
       file_task_runner_.get(),
       fileapi::ExternalMountPoints::CreateRefCounted().get(),
       storage_policy.get(),
-      quota_manager_->proxy(),
+      quota_manager_ ? quota_manager_->proxy() : NULL,
       additional_backends.Pass(),
       data_dir_.path(), options);
 
   is_filesystem_set_up_ = true;
 }
 
 void CannedSyncableFileSystem::TearDown() {
   quota_manager_ = NULL;
   file_system_context_ = NULL;
 
@@ skipping 437 matching lines @@
                             base::Bind(&WriteHelper::DidWrite,
                                        base::Owned(helper), callback));
 }
 
 void CannedSyncableFileSystem::DoGetUsageAndQuota(
     int64* usage,
     int64* quota,
     const quota::StatusCallback& callback) {
   EXPECT_TRUE(io_task_runner_->RunsTasksOnCurrentThread());
   EXPECT_TRUE(is_filesystem_opened_);
+  DCHECK(quota_manager_);
   quota_manager_->GetUsageAndQuota(
       origin_, storage_type(),
       base::Bind(&DidGetUsageAndQuota, callback, usage, quota));
 }
 
 void CannedSyncableFileSystem::DidOpenFileSystem(
     base::SingleThreadTaskRunner* original_task_runner,
     const GURL& root,
     const std::string& name,
     File::Error result) {
@@ skipping 21 matching lines @@
   sync_status_ = status;
   base::MessageLoop::current()->Quit();
 }
 
 void CannedSyncableFileSystem::InitializeSyncStatusObserver() {
   ASSERT_TRUE(io_task_runner_->RunsTasksOnCurrentThread());
   backend()->sync_context()->sync_status()->AddObserver(this);
 }
 
 }  // namespace sync_file_system