File API changes needed for safely passing user selected file entities from the file browser comp...

webkit/quota/special_storage_policy.h

Index: webkit/quota/special_storage_policy.h
===================================================================
--- webkit/quota/special_storage_policy.h	(revision 80841)
+++ webkit/quota/special_storage_policy.h	(working copy)
@@ -7,6 +7,7 @@
 
 #include "base/memory/ref_counted.h"
 
+class FilePath;
 class GURL;
 
 namespace quota {
@@ -27,9 +28,15 @@
   // Unlimited storage is not subject to 'quotas'.
   virtual bool IsStorageUnlimited(const GURL& origin) = 0;
 
-  // Local file system access allowed via File API.
-  virtual bool IsLocalFileSystemAccessAllowed(const GURL& origin) = 0;
+  // Checks if local file system access to |virtual_path| from File API is
+  // allowed from |origin|.
+  virtual bool IsLocalFileSystemAccessAllowed(const GURL& origin,
+                                              const FilePath& virtual_path) = 0;
 
+  // Grants local file system access to |virtual_path| from |origin|.
+  virtual void GrantLocalFileSystemAccess(const GURL& origin,
+                                          const FilePath& virtual_path) = 0;
+
  protected:
   friend class base::RefCountedThreadSafe<SpecialStoragePolicy>;
   virtual ~SpecialStoragePolicy();