observe in chrome 36

[Chris Carver]

Hi,

I've been using the observe functionality to listen to changes in div sizes when using the core-splitter.  I.e:

<div id="leftDiv">

       TEST LEFT

</div>

<core-splitter direction="left"></core-splitter>

<div flex id="rightDiv">

       TEST RIGHT

</div>

observe: {

                '$.myDiv.style.width': 'divWidthChanged',

...

myDiv is the target of a core-splitter so it's style width is being updated when the splitter is tracked.  In chrome 35, divWidthChanged is called repeatedly as the splitter tracks and updates the div's style width.  This does not work in build 36 where the handler is called once when the element is initialised and then no-longer.  If I change this style width from code within my polymer element then divWidthChanged does get called but when the splitter changes the style width divWidthChanged does not get fired.  

There's a difference in behaviour in the latest build 36 but is this a bug?

[Erik Arvidsson]

DOM properties cannot be observed. It was/is a bug that we report these changes when O.o is not present.

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erik