[SystemInfo API] Move Storage API out of experimental namespace and rename to the "system" namespace

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

Index: chrome/browser/extensions/api/system_info_storage/storage_info_provider.cc
diff --git a/chrome/browser/extensions/api/system_info_storage/storage_info_provider.cc b/chrome/browser/extensions/api/system_info_storage/storage_info_provider.cc
index c43fe8f4fdaa6829d65abbac7062798412769fa3..63eebaecaafc0b5257a091c520c6422386541038 100644
--- a/chrome/browser/extensions/api/system_info_storage/storage_info_provider.cc
+++ b/chrome/browser/extensions/api/system_info_storage/storage_info_provider.cc
@@ -15,9 +15,9 @@ namespace extensions {
 
 using content::BrowserThread;
 using chrome::StorageMonitor;
-using api::experimental_system_info_storage::StorageUnitInfo;
-using api::experimental_system_info_storage::STORAGE_UNIT_TYPE_FIXED;
-using api::experimental_system_info_storage::STORAGE_UNIT_TYPE_REMOVABLE;
+using api::system_info_storage::StorageUnitInfo;
+using api::system_info_storage::STORAGE_UNIT_TYPE_FIXED;
+using api::system_info_storage::STORAGE_UNIT_TYPE_REMOVABLE;
 
 namespace systeminfo {
 
@@ -34,7 +34,6 @@ void BuildStorageUnitInfo(const chrome::StorageInfo& info,
   unit->type = chrome::StorageInfo::IsRemovableDevice(info.device_id()) ?
       STORAGE_UNIT_TYPE_REMOVABLE : STORAGE_UNIT_TYPE_FIXED;
   unit->capacity = static_cast<double>(info.total_size_in_bytes());
-  unit->available_capacity = 0;
 }
 
 }  // namespace systeminfo
@@ -77,13 +76,7 @@ void StorageInfoProvider::InitializeProvider(
 
 bool StorageInfoProvider::QueryInfo() {
   DCHECK(BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
-  for (StorageUnitInfoList::iterator it = info_.begin();
-       it != info_.end(); ++it) {
-    int64 amount = GetStorageFreeSpaceFromTransientId((*it)->id);
-    if (amount > 0)
-      (*it)->available_capacity = static_cast<double>(amount);
-  }
-
+  // No task to do in worker pool.
   return true;
 }