Revert 138444 - Always pass FileSystemContext to ObfuscatedFileUtil operations

chrome/browser/browsing_data_file_system_helper.cc

Index: chrome/browser/browsing_data_file_system_helper.cc
===================================================================
--- chrome/browser/browsing_data_file_system_helper.cc	(revision 139069)
+++ chrome/browser/browsing_data_file_system_helper.cc	(working copy)
@@ -116,13 +116,11 @@
       origin_enumerator(BrowserContext::GetFileSystemContext(profile_)->
           sandbox_provider()->CreateOriginEnumerator());
 
-  scoped_refptr<fileapi::FileSystemContext> context =
-      BrowserContext::GetFileSystemContext(profile_);
-
   // We don't own this pointer; it's a magic singleton generated by the
   // profile's FileSystemContext. Deleting it would be a bad idea.
   fileapi::FileSystemQuotaUtil* quota_util =
-     context->GetQuotaUtil(fileapi::kFileSystemTypeTemporary);
+      BrowserContext::GetFileSystemContext(profile_)->GetQuotaUtil(
+          fileapi::kFileSystemTypeTemporary);
 
   GURL current;
 
@@ -132,11 +130,9 @@
 
     // We can call these synchronous methods as we've already verified that
     // we're running on the FILE thread.
-    int64 persistent_usage = quota_util->GetOriginUsageOnFileThread(
-        context, current,
+    int64 persistent_usage = quota_util->GetOriginUsageOnFileThread(current,
         fileapi::kFileSystemTypePersistent);
-    int64 temporary_usage = quota_util->GetOriginUsageOnFileThread(
-        context, current,
+    int64 temporary_usage = quota_util->GetOriginUsageOnFileThread(current,
         fileapi::kFileSystemTypeTemporary);
     file_system_info_.push_back(
         FileSystemInfo(