Created attachment 8532112 [details] Screen Shot 2014-12-03 at 5.10.43 PM.png Using current trunk build on MacOS10.9.5. See screenshot. Steps to reproduce: - Go to about:preferences#search - Switch focus to a different application - Wait a while (minute or so) Result: - Often, the image of the menulist dropmarker-icon of "Default Search Engine" is not showing up as can be seen in the screenshot. When hovering over the menulist, the image shows up again.
Component: Layout: View Rendering → Layout: Web Painting
Product: Core → Core
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