FileAPI: Add Initialize() function to FileSystemBackend

webkit/browser/fileapi/file_system_context.cc

Index: webkit/browser/fileapi/file_system_context.cc
diff --git a/webkit/browser/fileapi/file_system_context.cc b/webkit/browser/fileapi/file_system_context.cc
index 24c505bb8a927d07b4b892768b411f3680c59005..0b3e360bc85dc40178b63fbadea5bcabb8b0d6d0 100644
--- a/webkit/browser/fileapi/file_system_context.cc
+++ b/webkit/browser/fileapi/file_system_context.cc
@@ -138,6 +138,11 @@ FileSystemContext::FileSystemContext(
     RegisterBackend(*iter);
   }
 
+  for (FileSystemBackendMap::const_iterator iter = backend_map_.begin();
+       iter != backend_map_.end(); ++iter) {
+    iter->second->Initialize(this);
+  }
+
   // Additional mount points must be added before regular system-wide
   // mount points.
   if (external_mount_points)