Loading bar ("Loading obj file...") isn't shown inside <canvas>

```
What steps will reproduce the problem?
1. Loading bar ("Loading obj file...") isn't shown inside .
Example: http://uveter.ru/test-2/ (click on image to activate loading)

What is the expected output? What do you see instead?
We expect that loading bar would be situated inside canvas block.

What version of the product are you using? On what operating system?
Windows 7, Google Chrome.

Please provide any additional information below.
```

Original issue reported on code.google.com by `frolov.a...@gmail.com` on 14 May 2014 at 12:04

Start with the reproduction at http://uveter.ru/test-2/ and inspect how the loading bar is positioned relative to the canvas when the image is activated. Done means the “Loading obj file...” bar appears inside the canvas block in Chrome, matching the expected behavior described in the issue.

Written by the indexing model from the issue text.