Revert 233815 "Quota: Implement QuotaBackendImpl"

This breaks content_unittests on some bots.

http://build.chromium.org/p/chromium.linux/builders/Linux Aura/builds/11164

> Quota: Implement QuotaBackendImpl
> 
> This introduces QuotaBackendImpl working as bridge among FileSystemUsageCache,
> QuotaManager and QuotaReservationManager. The backend will be created by
> FileSystemContext and retained by QuotaReservationManager.
> 
> 
> BUG=303443
> TEST=content_unittests --gtest_filter=QuotaBackendImplTest.*
> TEST=content_unittests --gtest_filter=QuotaReservationManagerTest.*
> TBR=jochen@chromium.org
> 
> Review URL: https://codereview.chromium.org/61593002

TBR=nhiroki@chromium.org

Review URL: https://codereview.chromium.org/64883003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233828 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 243 deletions

diff --git a/webkit/browser/fileapi/quota/quota_backend_impl_unittest.cc b/webkit/browser/fileapi/quota/quota_backend_impl_unittest.cc
deleted file mode 100644
index bd1483a..0000000
--- a/webkit/browser/fileapi/quota/quota_backend_impl_unittest.cc
+++ /dev/null
@@ -1,243 +0,0 @@
-// 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 "webkit/browser/fileapi/quota/quota_backend_impl.h"
-
-#include "base/files/scoped_temp_dir.h"
-#include "base/message_loop/message_loop.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "webkit/browser/fileapi/file_system_usage_cache.h"
-#include "webkit/browser/fileapi/obfuscated_file_util.h"
-#include "webkit/browser/quota/quota_manager.h"
-
-namespace fileapi {
-
-namespace {
-
-const char kOrigin[] = "http://example.com";
-
-bool DidReserveQuota(bool accepted,
-                     base::PlatformFileError* error_out,
-                     base::PlatformFileError error) {
-  DCHECK(error_out);
-  *error_out = error;
-  return accepted;
-}
-
-class MockQuotaManagerProxy : public quota::QuotaManagerProxy {
- public:
-  MockQuotaManagerProxy()
-      : QuotaManagerProxy(NULL, NULL),
-        storage_modified_count_(0),
-        usage_(0), quota_(0) {}
-
-  // We don't mock them.
-  virtual void NotifyOriginInUse(const GURL& origin) OVERRIDE {}
-  virtual void NotifyOriginNoLongerInUse(const GURL& origin) OVERRIDE {}
-  virtual void SetUsageCacheEnabled(quota::QuotaClient::ID client_id,
-                                    const GURL& origin,
-                                    quota::StorageType type,
-                                    bool enabled) OVERRIDE {}
-
-  virtual void NotifyStorageModified(
-      quota::QuotaClient::ID client_id,
-      const GURL& origin,
-      quota::StorageType type,
-      int64 delta) OVERRIDE {
-    ++storage_modified_count_;
-    usage_ += delta;
-    ASSERT_LT(usage_, quota_);
-  }
-
-  virtual void GetUsageAndQuota(
-      base::SequencedTaskRunner* original_task_runner,
-      const GURL& origin,
-      quota::StorageType type,
-      const GetUsageAndQuotaCallback& callback) OVERRIDE {
-    callback.Run(quota::kQuotaStatusOk, usage_, quota_);
-  }
-
-  int storage_modified_count() { return storage_modified_count_; }
-  int64 usage() { return usage_; }
-  void set_usage(int64 usage) { usage_ = usage; }
-  void set_quota(int64 quota) { quota_ = quota; }
-
- protected:
-  virtual ~MockQuotaManagerProxy() {}
-
- private:
-  int storage_modified_count_;
-  int64 usage_;
-  int64 quota_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockQuotaManagerProxy);
-};
-
-}  // namespace
-
-class QuotaBackendImplTest : public testing::Test {
- public:
-  QuotaBackendImplTest()
-      : file_system_usage_cache_(file_task_runner()),
-        quota_manager_proxy_(new MockQuotaManagerProxy) {}
-
-  virtual void SetUp() OVERRIDE {
-    ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
-    file_util_.reset(ObfuscatedFileUtil::CreateForTesting(
-        NULL, data_dir_.path(), file_task_runner()));
-    backend_.reset(new QuotaBackendImpl(file_task_runner(),
-                                        file_util_.get(),
-                                        &file_system_usage_cache_,
-                                        quota_manager_proxy_.get()));
-  }
-
-  virtual void TearDown() OVERRIDE {
-    backend_.reset();
-    quota_manager_proxy_ = NULL;
-    file_util_.reset();
-    message_loop_.RunUntilIdle();
-  }
-
- protected:
-  void InitializeForOriginAndType(const GURL& origin, FileSystemType type) {
-    file_util_->InitOriginDatabase(origin, true /* create */);
-    ASSERT_TRUE(file_util_->origin_database_ != NULL);
-
-    std::string type_string =
-        SandboxFileSystemBackendDelegate::GetTypeString(type);
-    base::PlatformFileError error = base::PLATFORM_FILE_ERROR_FAILED;
-    base::FilePath path = file_util_->GetDirectoryForOriginAndType(
-        origin, type_string, true /* create */, &error);
-    ASSERT_EQ(base::PLATFORM_FILE_OK, error);
-    file_system_usage_cache_.UpdateUsage(GetUsageCachePath(origin, type), 0);
-  }
-
-  base::SequencedTaskRunner* file_task_runner() {
-    return base::MessageLoopProxy::current().get();
-  }
-
-  base::FilePath GetUsageCachePath(const GURL& origin, FileSystemType type) {
-    base::FilePath path;
-    DCHECK_EQ(base::PLATFORM_FILE_OK,
-              backend_->GetUsageCachePath(origin, type, &path));
-    DCHECK(!path.empty());
-    return path;
-  }
-
-  base::MessageLoop message_loop_;
-  base::ScopedTempDir data_dir_;
-  scoped_ptr<ObfuscatedFileUtil> file_util_;
-  FileSystemUsageCache file_system_usage_cache_;
-  scoped_refptr<MockQuotaManagerProxy> quota_manager_proxy_;
-  scoped_ptr<QuotaBackendImpl> backend_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(QuotaBackendImplTest);
-};
-
-TEST_F(QuotaBackendImplTest, ReserveQuota_Basic) {
-  FileSystemType type = fileapi::kFileSystemTypeTemporary;
-  InitializeForOriginAndType(GURL(kOrigin), type);
-  quota_manager_proxy_->set_quota(10000);
-
-  const int64 kDelta1 = 1000;
-  base::PlatformFileError error = base::PLATFORM_FILE_ERROR_FAILED;
-  backend_->ReserveQuota(GURL(kOrigin), type, kDelta1,
-                         base::Bind(&DidReserveQuota, true, &error));
-  EXPECT_EQ(base::PLATFORM_FILE_OK, error);
-  EXPECT_EQ(kDelta1, quota_manager_proxy_->usage());
-
-  const int64 kDelta2 = -300;
-  error = base::PLATFORM_FILE_ERROR_FAILED;
-  backend_->ReserveQuota(GURL(kOrigin), type, kDelta2,
-                         base::Bind(&DidReserveQuota, true, &error));
-  EXPECT_EQ(base::PLATFORM_FILE_OK, error);
-  EXPECT_EQ(kDelta1 + kDelta2, quota_manager_proxy_->usage());
-
-  EXPECT_EQ(2, quota_manager_proxy_->storage_modified_count());
-}
-
-TEST_F(QuotaBackendImplTest, ReserveQuota_NoSpace) {
-  FileSystemType type = fileapi::kFileSystemTypeTemporary;
-  InitializeForOriginAndType(GURL(kOrigin), type);
-  quota_manager_proxy_->set_quota(100);
-
-  const int64 kDelta = 1000;
-  base::PlatformFileError error = base::PLATFORM_FILE_ERROR_FAILED;
-  backend_->ReserveQuota(GURL(kOrigin), type, kDelta,
-                         base::Bind(&DidReserveQuota, true, &error));
-  EXPECT_EQ(base::PLATFORM_FILE_ERROR_NO_SPACE, error);
-  EXPECT_EQ(0, quota_manager_proxy_->usage());
-
-  EXPECT_EQ(0, quota_manager_proxy_->storage_modified_count());
-}
-
-TEST_F(QuotaBackendImplTest, ReserveQuota_Revert) {
-  FileSystemType type = fileapi::kFileSystemTypeTemporary;
-  InitializeForOriginAndType(GURL(kOrigin), type);
-  quota_manager_proxy_->set_quota(10000);
-
-  const int64 kDelta = 1000;
-  base::PlatformFileError error = base::PLATFORM_FILE_ERROR_FAILED;
-  backend_->ReserveQuota(GURL(kOrigin), type, kDelta,
-                         base::Bind(&DidReserveQuota, false, &error));
-  EXPECT_EQ(base::PLATFORM_FILE_OK, error);
-  EXPECT_EQ(0, quota_manager_proxy_->usage());
-
-  EXPECT_EQ(2, quota_manager_proxy_->storage_modified_count());
-}
-
-TEST_F(QuotaBackendImplTest, ReleaseReservedQuota) {
-  FileSystemType type = fileapi::kFileSystemTypeTemporary;
-  InitializeForOriginAndType(GURL(kOrigin), type);
-  const int64 kInitialUsage = 2000;
-  quota_manager_proxy_->set_usage(kInitialUsage);
-  quota_manager_proxy_->set_quota(10000);
-
-  const int64 kSize = 1000;
-  backend_->ReleaseReservedQuota(GURL(kOrigin), type, kSize);
-  EXPECT_EQ(kInitialUsage - kSize, quota_manager_proxy_->usage());
-
-  EXPECT_EQ(1, quota_manager_proxy_->storage_modified_count());
-}
-
-TEST_F(QuotaBackendImplTest, CommitQuotaUsage) {
-  FileSystemType type = fileapi::kFileSystemTypeTemporary;
-  InitializeForOriginAndType(GURL(kOrigin), type);
-  quota_manager_proxy_->set_quota(10000);
-  base::FilePath path = GetUsageCachePath(GURL(kOrigin), type);
-
-  const int64 kDelta1 = 1000;
-  backend_->CommitQuotaUsage(GURL(kOrigin), type, kDelta1);
-  EXPECT_EQ(kDelta1, quota_manager_proxy_->usage());
-  int64 usage = 0;
-  EXPECT_TRUE(file_system_usage_cache_.GetUsage(path, &usage));
-  EXPECT_EQ(kDelta1, usage);
-
-  const int64 kDelta2 = -300;
-  backend_->CommitQuotaUsage(GURL(kOrigin), type, kDelta2);
-  EXPECT_EQ(kDelta1 + kDelta2, quota_manager_proxy_->usage());
-  usage = 0;
-  EXPECT_TRUE(file_system_usage_cache_.GetUsage(path, &usage));
-  EXPECT_EQ(kDelta1 + kDelta2, usage);
-
-  EXPECT_EQ(2, quota_manager_proxy_->storage_modified_count());
-}
-
-TEST_F(QuotaBackendImplTest, DirtyCount) {
-  FileSystemType type = fileapi::kFileSystemTypeTemporary;
-  InitializeForOriginAndType(GURL(kOrigin), type);
-  base::FilePath path = GetUsageCachePath(GURL(kOrigin), type);
-
-  backend_->IncrementDirtyCount(GURL(kOrigin), type);
-  uint32 dirty = 0;
-  ASSERT_TRUE(file_system_usage_cache_.GetDirty(path, &dirty));
-  EXPECT_EQ(1u, dirty);
-
-  backend_->DecrementDirtyCount(GURL(kOrigin), type);
-  ASSERT_TRUE(file_system_usage_cache_.GetDirty(path, &dirty));
-  EXPECT_EQ(0u, dirty);
-}
-
-}  // namespace fileapi