Refactor cache counting into a separate helper class

chrome/browser/ui/webui/options/chromeos/storage_manager_handler.cc

Index: chrome/browser/ui/webui/options/chromeos/storage_manager_handler.cc
diff --git a/chrome/browser/ui/webui/options/chromeos/storage_manager_handler.cc b/chrome/browser/ui/webui/options/chromeos/storage_manager_handler.cc
index dba9a9350018cf60a0529038b768107b4689dea5..fdc6102325205d580412fa7ff98d304658f1b3ee 100644
--- a/chrome/browser/ui/webui/options/chromeos/storage_manager_handler.cc
+++ b/chrome/browser/ui/webui/options/chromeos/storage_manager_handler.cc
@@ -28,7 +28,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/grit/generated_resources.h"
 #include "chromeos/cryptohome/homedir_methods.h"
-#include "components/browsing_data/content/storage_partition_http_cache_data_remover.h"
+#include "components/browsing_data/content/conditional_cache_counting_helper.h"
 #include "components/drive/chromeos/file_system_interface.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/browser_context.h"
@@ -301,10 +301,10 @@ void StorageManagerHandler::UpdateBrowsingDataSize() {
   Profile* const profile = Profile::FromWebUI(web_ui());
   // Fetch the size of http cache in browsing data.
   // StoragePartitionHttpCacheDataRemover deletes itself when it is done.
-  browsing_data::StoragePartitionHttpCacheDataRemover::CreateForRange(
+  browsing_data::ConditionalCacheCountingHelper::CreateForRange(
       content::BrowserContext::GetDefaultStoragePartition(profile),
-      base::Time(),
-      base::Time::Max())->Count(
+      base::Time(), base::Time::Max())
+      ->CountAndDestroySelfWhenFinished(
           base::Bind(&StorageManagerHandler::OnGetBrowsingDataSize,
                      weak_ptr_factory_.GetWeakPtr(), false));