UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.87 Safari/537.36

Steps to reproduce the problem:
1. the win10 sdk(10.0.10586.212) remove the D3D directory, but the copy_compiler_dll.bat(third_party\angle\src\) will copy this directory

What is the expected behavior?

What went wrong?
FAILED: d:\Applications\DepotTools\python276_bin\python.exe gyp-win-tool action-wrapper environment.x86 copy_compiler_dll_target_copy_dll_a30e198148542d4bce19a5c818c6884f..rsp ..\..\third_party\angle\src

Did this work before? N/A 

Chrome version: 50.0.2661.87  Channel: stable
OS Version: 10.0
Flash Version: Shockwave Flash 21.0 r0