Require confirmation for writable directory access.

chrome/common/extensions/permissions/permissions_data.cc

Index: chrome/common/extensions/permissions/permissions_data.cc
diff --git a/chrome/common/extensions/permissions/permissions_data.cc b/chrome/common/extensions/permissions/permissions_data.cc
index 139e4dccd97dd98cd7167656423b98b0b295c52e..d019a9727071b2ab930c904e8f4c7c278a505b6d 100644
--- a/chrome/common/extensions/permissions/permissions_data.cc
+++ b/chrome/common/extensions/permissions/permissions_data.cc
@@ -171,6 +171,8 @@ bool ParseHelper(Extension* extension,
     }
   }
 
+  api_permissions->AddImpliedPermissions();
+
   // Remove permissions that are not available to this extension.
   for (std::vector<APIPermission::ID>::const_iterator iter = to_remove.begin();
        iter != to_remove.end(); ++iter) {