GUI.TextField and GUI.PasswordField fail to function correctly. Typing with touchscreen keyboard, PasswordField displays clear text until focus changes, and TextField doesn't display the argument text passed into the function.

Reproducible on 4.6, 5.0 versions;

Repro steps:
1) Extract the attached sample and open the scene in the editor. The project displays two fields. The top is a standard PasswordField(). The bottom is a masked TextField that should display '*'s for characters and should look exactly like a PasswordField.
2) Run in the editor. Note that both the PasswordField() and Masked TextField operate as expected.
3) Open the build settings window and switch to Windows Store target, SDK 8.1
4) build and run the project on touchscreen device

Note that the PasswordField displays clear text, and the call does not return any text at all until GUI focus changes. Also note that the workaround TextField doesn't display the text being provided, but instead displays what the user typed until GUI focus changes.