dart-lang/spark — pull request #2604 by ussuri (2014-06-17 20:27:46+00:00)
Title: Revert "Add shadow to tabbar & navigation toolbar similar to shadow file tree view has"

After talking with @cleercode, we'll think about a better solution.

This reverts commit 47e4085ca188a0c8ff5aaedcc4a682cf91b99d6f.