Replacing Indexed DB Chromium IPC with Mojo

content/browser/indexed_db/indexed_db_context_impl.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 "content/browser/indexed_db/indexed_db_context_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/sequenced_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time/time.h"
 #include "base/trace_event/trace_event.h"
 #include "base/values.h"
 #include "content/browser/browser_main_loop.h"
+#include "content/browser/indexed_db/database_factory_impl.h"
 #include "content/browser/indexed_db/indexed_db_connection.h"
 #include "content/browser/indexed_db/indexed_db_database.h"
-#include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
 #include "content/browser/indexed_db/indexed_db_factory_impl.h"
 #include "content/browser/indexed_db/indexed_db_quota_client.h"
 #include "content/browser/indexed_db/indexed_db_tracing.h"
 #include "content/browser/indexed_db/indexed_db_transaction.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/indexed_db_info.h"
 #include "content/public/common/content_switches.h"
 #include "storage/browser/database/database_util.h"
 #include "storage/browser/quota/quota_manager_proxy.h"
 #include "storage/browser/quota/special_storage_policy.h"
@@ skipping 65 matching lines @@
     base::DeleteFile(*file_path, true);
   }
 }
 
 }  // namespace
 
 IndexedDBContextImpl::IndexedDBContextImpl(
     const base::FilePath& data_path,
     storage::SpecialStoragePolicy* special_storage_policy,
     storage::QuotaManagerProxy* quota_manager_proxy,
-    base::SequencedTaskRunner* task_runner)
-    : force_keep_session_state_(false),
+    base::SingleThreadTaskRunner* task_runner)
+    : mojo_factory_(nullptr),
+      force_keep_session_state_(false),
       special_storage_policy_(special_storage_policy),
       quota_manager_proxy_(quota_manager_proxy),
       task_runner_(task_runner) {
   IDB_TRACE("init");
   if (!data_path.empty())
     data_path_ = data_path.Append(kIndexedDBDirectory);
   quota_manager_proxy->RegisterClient(new IndexedDBQuotaClient(this));
 }
 
 IndexedDBFactory* IndexedDBContextImpl::GetIDBFactory() {
   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
   if (!factory_.get()) {
     // Prime our cache of origins with existing databases so we can
     // detect when dbs are newly created.
     GetOriginSet();
     factory_ = new IndexedDBFactoryImpl(this);
   }
   return factory_.get();
 }
 
+storage::QuotaManagerProxy* IndexedDBContextImpl::quota_manager_proxy() const {
+  return quota_manager_proxy_.get();
+}
+
 std::vector<Origin> IndexedDBContextImpl::GetAllOrigins() {
   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
   std::set<Origin>* origins_set = GetOriginSet();
   return std::vector<Origin>(origins_set->begin(), origins_set->end());
 }
 
 bool IndexedDBContextImpl::HasOrigin(const Origin& origin) {
   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
   std::set<Origin>* set = GetOriginSet();
   return set->find(origin) != set->end();
 }
 
 std::vector<IndexedDBInfo> IndexedDBContextImpl::GetAllOriginsInfo() {
   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
   std::vector<Origin> origins = GetAllOrigins();
   std::vector<IndexedDBInfo> result;
   for (const auto& origin : origins) {
     size_t connection_count = GetConnectionCount(origin);
     result.push_back(
         IndexedDBInfo(GURL(origin.Serialize()), GetOriginDiskUsage(origin),
                       GetOriginLastModified(origin), connection_count));
   }
   return result;
 }
 
 static bool HostNameComparator(const Origin& i, const Origin& j) {
   return i.host() < j.host();
 }
 
+#if 0
 base::ListValue* IndexedDBContextImpl::GetAllOriginsDetails() {
   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
   std::vector<Origin> origins = GetAllOrigins();
 
   std::sort(origins.begin(), origins.end(), HostNameComparator);
 
   std::unique_ptr<base::ListValue> list(base::MakeUnique<base::ListValue>());
   for (const auto& origin : origins) {
     std::unique_ptr<base::DictionaryValue> info(
         base::MakeUnique<base::DictionaryValue>());
@@ skipping 98 matching lines @@
 
         database_list->Append(std::move(db_info));
       }
       info->Set("databases", database_list.release());
     }
 
     list->Append(std::move(info));
   }
   return list.release();
 }
+#endif
 
 int IndexedDBContextImpl::GetOriginBlobFileCount(const Origin& origin) {
   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
   int count = 0;
   base::FileEnumerator file_enumerator(GetBlobStorePath(origin), true,
                                        base::FileEnumerator::FILES);
   for (base::FilePath file_path = file_enumerator.Next(); !file_path.empty();
        file_path = file_enumerator.Next()) {
     count++;
   }
@@ skipping 132 matching lines @@
     const GURL& origin_url) const {
   return GetFilePathForTesting(Origin(origin_url));
 }
 
 base::FilePath IndexedDBContextImpl::GetFilePathForTesting(
     const Origin& origin) const {
   return GetLevelDBPath(origin);
 }
 
 void IndexedDBContextImpl::SetTaskRunnerForTesting(
-    base::SequencedTaskRunner* task_runner) {
+    base::SingleThreadTaskRunner* task_runner) {
   DCHECK(!task_runner_.get());
   task_runner_ = task_runner;
 }
 
 void IndexedDBContextImpl::ConnectionOpened(const Origin& origin,
                                             IndexedDBConnection* connection) {
   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
   quota_manager_proxy()->NotifyStorageAccessed(
       storage::QuotaClient::kIndexedDatabase, GURL(origin.Serialize()),
       storage::kStorageTypeTemporary);
@@ skipping 120 matching lines @@
         base::MakeUnique<std::set<Origin>>(origins.begin(), origins.end());
   }
   return origin_set_.get();
 }
 
 void IndexedDBContextImpl::ResetCaches() {
   origin_set_.reset();
   origin_size_map_.clear();
 }
 
-base::SequencedTaskRunner* IndexedDBContextImpl::TaskRunner() const {
+base::SingleThreadTaskRunner* IndexedDBContextImpl::TaskRunner() const {
   return task_runner_.get();
 }
 
 }  // namespace content