Change how the quota system computes the total poolsize for temporary storage

chrome/browser/extensions/api/sync_file_system/sync_file_system_browsertest.cc

 // Copyright 2014 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 <stdint.h>
 #include <utility>
 
 #include "base/json/json_reader.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/signin/fake_signin_manager_builder.h"
 #include "chrome/browser/sync_file_system/drive_backend/sync_engine.h"
 #include "chrome/browser/sync_file_system/local/local_file_sync_service.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service_factory.h"
 #include "components/drive/service/fake_drive_service.h"
+#include "content/public/browser/storage_partition.h"
 #include "extensions/test/extension_test_message_listener.h"
 #include "extensions/test/result_catcher.h"
 #include "storage/browser/quota/quota_manager.h"
 #include "third_party/leveldatabase/src/helpers/memenv/memenv.h"
 #include "third_party/leveldatabase/src/include/leveldb/env.h"
 
 namespace sync_file_system {
 
 namespace {
 
@@ skipping 23 matching lines @@
 
 }  // namespace
 
 class SyncFileSystemTest : public extensions::PlatformAppBrowserTest,
                            public drive::FakeDriveService::ChangeObserver {
  public:
   SyncFileSystemTest()
       : remote_service_(NULL) {
   }
 
-  void SetUpInProcessBrowserTestFixture() override {
-    ExtensionApiTest::SetUpInProcessBrowserTestFixture();
-    real_minimum_preserved_space_ =
-        storage::QuotaManager::kMinimumPreserveForSystem;
-    storage::QuotaManager::kMinimumPreserveForSystem = 0;
-  }
-
-  void TearDownInProcessBrowserTestFixture() override {
-    storage::QuotaManager::kMinimumPreserveForSystem =
-        real_minimum_preserved_space_;
-    ExtensionApiTest::TearDownInProcessBrowserTestFixture();
-  }
-
   scoped_refptr<base::SequencedTaskRunner> MakeSequencedTaskRunner() {
     scoped_refptr<base::SequencedWorkerPool> worker_pool =
         content::BrowserThread::GetBlockingPool();
 
     return worker_pool->GetSequencedTaskRunnerWithShutdownBehavior(
         worker_pool->GetSequenceToken(),
         base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
   }
 
   void SetUpOnMainThread() override {
@@ skipping 19 matching lines @@
         NULL,  // task_logger
         NULL,  // notification_manager
         extension_service,
         fake_signin_manager_.get(),  // signin_manager
         NULL,                        // token_service
         NULL,                        // request_context
         std::move(drive_service_factory), in_memory_env_.get());
     remote_service_->SetSyncEnabled(true);
     factory->set_mock_remote_file_service(
         std::unique_ptr<RemoteFileSyncService>(remote_service_));
+
+    const int kMeg = 1024 * 1024;
+    storage::QuotaSettings settings;
+    settings.pool_size = 25 * kMeg;
+    settings.per_host_quota = 5 * kMeg;
+    settings.must_remain_available = 0;
+    settings.refresh_interval = base::TimeDelta::Max();
+    content::BrowserContext::GetDefaultStoragePartition(context)
+        ->GetQuotaManager()
+        ->SetQuotaSettings(settings);
   }
 
   // drive::FakeDriveService::ChangeObserver override.
   void OnNewChangeAvailable() override {
     sync_engine()->OnNotificationReceived();
   }
 
   SyncFileSystemService* sync_file_system_service() {
     return SyncFileSystemServiceFactory::GetForProfile(browser()->profile());
   }
@@ skipping 23 matching lines @@
   }
 
  private:
   base::ScopedTempDir base_dir_;
   std::unique_ptr<leveldb::Env> in_memory_env_;
 
   std::unique_ptr<FakeSigninManagerForTesting> fake_signin_manager_;
 
   drive_backend::SyncEngine* remote_service_;
 
-  int64_t real_minimum_preserved_space_;
-
   DISALLOW_COPY_AND_ASSIGN(SyncFileSystemTest);
 };
 
 IN_PROC_BROWSER_TEST_F(SyncFileSystemTest, AuthorizationTest) {
   ExtensionTestMessageListener open_failure(
       "checkpoint: Failed to get syncfs", true);
   ExtensionTestMessageListener bar_created(
       "checkpoint: \"/bar\" created", true);
   ExtensionTestMessageListener foo_created(
       "checkpoint: \"/foo\" created", true);
@@ skipping 32 matching lines @@
 
   sync_engine()->GoogleSigninSucceeded("test_account", "tester", "testing");
   WaitUntilIdle();
 
   bar_created.Reply("resume");
 
   EXPECT_TRUE(catcher.GetNextResult());
 }
 
 }  // namespace sync_file_system