OS X Yosemite 10.10.2
MacBook Pro (Retina, 15-inch, Mid 2014)
Processor: 2.5GHz Intel Core i7
Memory: 16GB 1600 MHz DDR3
Graphics: Intel Iris Pro 1536 MB
Broken: 2.75a c27589e
**Short description of error**
On Retina Display (and probably all high-density display) machines the Graph Editor's Properties Panel, while in Drivers Mode, under the Drivers section is rendering two buttons at the wrong size. The "Update Dependencies" button and the "Remove Driver" buttons are too short to contain their text, so the text is overflowing and doesn't look right.
I am attaching a screen shot.
I don't know if there are other areas of Blender's interface that are affected. These two buttons are all I am aware of, but maybe it will become clear from looking at the code whether this is caused by something local to this one area of the UI or if other parts are affected as well.
**Exact steps for others to reproduce the error**
1. Be using a Retina Display machine
2. Add a driver anywhere
3. Open a Graph Editor window and select Drivers Mode
4. Navigate to the Drivers section of the Properties Panel and observe