[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 581e02f509b9c360f2cdeeaf22fb103babe3dc53..9ccf08a0c9ce5bdd5a596124011bd7e56224e71b 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
@@ -63,24 +62,8 @@ void StorageInfoProvider::QueryInfoImplOnUIThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   // At this point, we can call StorageMonitor::GetAllAvailableStorages to
   // get the correct results.
-  QueryInfo(&info_);
-  // The amount of available capacity should be queried on blocking pool.
-  PostQueryTaskToBlockingPool(FROM_HERE,
-      base::Bind(&StorageInfoProvider::QueryAvailableCapacityOnBlockingPool,
-          this));
-}
-
-void StorageInfoProvider::QueryAvailableCapacityOnBlockingPool() {
-  DCHECK(BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
-  for (StorageInfo::iterator it = info_.begin(); it != info_.end(); ++it) {
-    int64 amount = GetStorageFreeSpaceFromTransientId((*it)->id);
-    if (amount > 0)
-      (*it)->available_capacity = static_cast<double>(amount);
-  }
-
-  // Notify UI thread that the querying operation has completed.
-  BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
-      base::Bind(&StorageInfoProvider::OnQueryCompleted, this, true));
+  bool success = QueryInfo(&info_);
+  OnQueryCompleted(success);
 }
 
 std::vector<chrome::StorageInfo> StorageInfoProvider::GetAllStorages() const {