Move system.* family of APIs to extensions/

chrome/browser/extensions/api/system_storage/storage_info_provider.cc

Index: chrome/browser/extensions/api/system_storage/storage_info_provider.cc
diff --git a/chrome/browser/extensions/api/system_storage/storage_info_provider.cc b/chrome/browser/extensions/api/system_storage/storage_info_provider.cc
deleted file mode 100644
index 366a4c25e565ad7fa04abbc3aca30f2c16dd7a18..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/api/system_storage/storage_info_provider.cc
+++ /dev/null
@@ -1,123 +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 "chrome/browser/extensions/api/system_storage/storage_info_provider.h"
-
-#include "base/stl_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/sys_info.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "components/storage_monitor/storage_info.h"
-#include "components/storage_monitor/storage_monitor.h"
-#include "content/public/browser/browser_thread.h"
-
-using storage_monitor::StorageInfo;
-using storage_monitor::StorageMonitor;
-
-namespace extensions {
-
-using content::BrowserThread;
-using api::system_storage::StorageUnitInfo;
-using api::system_storage::STORAGE_UNIT_TYPE_FIXED;
-using api::system_storage::STORAGE_UNIT_TYPE_REMOVABLE;
-
-namespace systeminfo {
-
-void BuildStorageUnitInfo(const StorageInfo& info,
-                          StorageUnitInfo* unit) {
-  unit->id = StorageMonitor::GetInstance()->GetTransientIdForDeviceId(
-                 info.device_id());
-  unit->name = base::UTF16ToUTF8(info.GetDisplayName(false));
-  // TODO(hmin): Might need to take MTP device into consideration.
-  unit->type = StorageInfo::IsRemovableDevice(info.device_id()) ?
-      STORAGE_UNIT_TYPE_REMOVABLE : STORAGE_UNIT_TYPE_FIXED;
-  unit->capacity = static_cast<double>(info.total_size_in_bytes());
-}
-
-}  // namespace systeminfo
-
-// Static member intialization.
-base::LazyInstance<scoped_refptr<StorageInfoProvider> >
-    StorageInfoProvider::provider_ = LAZY_INSTANCE_INITIALIZER;
-
-StorageInfoProvider::StorageInfoProvider() {
-}
-
-StorageInfoProvider::~StorageInfoProvider() {
-}
-
-const StorageUnitInfoList& StorageInfoProvider::storage_unit_info_list() const {
-  return info_;
-}
-
-void StorageInfoProvider::InitializeForTesting(
-    scoped_refptr<StorageInfoProvider> provider) {
-  DCHECK(provider.get() != NULL);
-  provider_.Get() = provider;
-}
-
-void StorageInfoProvider::PrepareQueryOnUIThread() {
-  // Get all available storage devices before invoking |QueryInfo()|.
-  GetAllStoragesIntoInfoList();
-}
-
-void StorageInfoProvider::InitializeProvider(
-    const base::Closure& do_query_info_callback) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  // Register the |do_query_info_callback| callback to StorageMonitor.
-  // See the comments of StorageMonitor::EnsureInitialized about when the
-  // callback gets run.
-  StorageMonitor::GetInstance()->EnsureInitialized(do_query_info_callback);
-}
-
-bool StorageInfoProvider::QueryInfo() {
-  DCHECK(BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
-  // No info to query since we get all available storage devices' info in
-  // |PrepareQueryOnUIThread()|.
-  return true;
-}
-
-void StorageInfoProvider::GetAllStoragesIntoInfoList() {
-  info_.clear();
-  std::vector<StorageInfo> storage_list =
-      StorageMonitor::GetInstance()->GetAllAvailableStorages();
-
-  for (std::vector<StorageInfo>::const_iterator it = storage_list.begin();
-       it != storage_list.end(); ++it) {
-    linked_ptr<StorageUnitInfo> unit(new StorageUnitInfo());
-    systeminfo::BuildStorageUnitInfo(*it, unit.get());
-    info_.push_back(unit);
-  }
-}
-
-double StorageInfoProvider::GetStorageFreeSpaceFromTransientIdOnFileThread(
-    const std::string& transient_id) {
-  DCHECK_CURRENTLY_ON(BrowserThread::FILE);
-  std::vector<StorageInfo> storage_list =
-      StorageMonitor::GetInstance()->GetAllAvailableStorages();
-
-  std::string device_id =
-      StorageMonitor::GetInstance()->GetDeviceIdForTransientId(
-          transient_id);
-
-  // Lookup the matched storage info by |device_id|.
-  for (std::vector<StorageInfo>::const_iterator it =
-       storage_list.begin();
-       it != storage_list.end(); ++it) {
-    if (device_id == it->device_id())
-      return static_cast<double>(base::SysInfo::AmountOfFreeDiskSpace(
-                                      base::FilePath(it->location())));
-  }
-
-  return -1;
-}
-
-// static
-StorageInfoProvider* StorageInfoProvider::Get() {
-  if (provider_.Get().get() == NULL)
-    provider_.Get() = new StorageInfoProvider();
-  return provider_.Get();
-}
-
-}  // namespace extensions