Always pass FileSystemContext to ObfuscatedFileUtil operations

webkit/fileapi/sandbox_mount_point_provider.cc

Index: webkit/fileapi/sandbox_mount_point_provider.cc
diff --git a/webkit/fileapi/sandbox_mount_point_provider.cc b/webkit/fileapi/sandbox_mount_point_provider.cc
index 74dc0ca6e1b9bbbdf59a435e0c6e9360df407d63..1c5fa78b32e540e3930dd3f766594479caa7e317 100644
--- a/webkit/fileapi/sandbox_mount_point_provider.cc
+++ b/webkit/fileapi/sandbox_mount_point_provider.cc
@@ -498,11 +498,14 @@ FilePath SandboxMountPointProvider::GetBaseDirectoryForOriginAndType(
 }
 
 bool SandboxMountPointProvider::DeleteOriginDataOnFileThread(
-    QuotaManagerProxy* proxy, const GURL& origin_url,
+    FileSystemContext* file_system_context,
+    QuotaManagerProxy* proxy,
+    const GURL& origin_url,
     fileapi::FileSystemType type) {
   MigrateIfNeeded(sandbox_file_util_, old_base_path());
 
-  int64 usage = GetOriginUsageOnFileThread(origin_url, type);
+  int64 usage = GetOriginUsageOnFileThread(file_system_context,
+                                           origin_url, type);
 
   bool result =
       sandbox_file_util_->DeleteDirectoryForOriginAndType(origin_url, type);
@@ -552,7 +555,9 @@ void SandboxMountPointProvider::GetOriginsForHostOnFileThread(
 }
 
 int64 SandboxMountPointProvider::GetOriginUsageOnFileThread(
-    const GURL& origin_url, fileapi::FileSystemType type) {
+    FileSystemContext* file_system_context,
+    const GURL& origin_url,
+    fileapi::FileSystemType type) {
   DCHECK(type == kFileSystemTypeTemporary ||
          type == kFileSystemTypePersistent);
   FilePath base_path =
@@ -574,7 +579,7 @@ int64 SandboxMountPointProvider::GetOriginUsageOnFileThread(
   // Get the directory size now and update the cache.
   FileSystemUsageCache::Delete(usage_file_path);
 
-  FileSystemOperationContext context(NULL);
+  FileSystemOperationContext context(file_system_context);
   FileSystemPath path(origin_url, type, FilePath());
   scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator> enumerator(
       sandbox_file_util_->CreateFileEnumerator(&context, path, true));