Link to builders :
https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/win%20trunk/builds/76109
https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/win64%20trunk/builds/26398
https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/mac64%20trunk/builds/9655


Link to error log :
https://logs.chromium.org/v/?s=chrome%2Fbb%2Fofficial.desktop.continuous%2Fwin_trunk%2F76109%2F%2B%2Frecipes%2Fsteps%2Fcompile%2F0%2Fstdout
https://logs.chromium.org/v/?s=chrome%2Fbb%2Fofficial.desktop.continuous%2Fwin64_trunk%2F26398%2F%2B%2Frecipes%2Fsteps%2Fcompile%2F0%2Fstdout
https://logs.chromium.org/v/?s=chrome%2Fbb%2Fofficial.desktop.continuous%2Fmac64_trunk%2F9655%2F%2B%2Frecipes%2Fsteps%2Fcompile%2F0%2Fstdout


Error log :
 PATH: C:\b\cipd_path_tools;C:\b\cipd_path_tools\bin;C:\b\cipd_client;C:\b\depot_tools\win_tools-2_7_6_bin\python\bin;C:\b\depot_tools\win_tools-2_7_6_bin\python\bin\Scripts;C:\b\depot_tools;C:\b\depot_tools\win_tools-2_7_6_bin\python\bin;C:\Windows\system32;C:\Windows\system32\WBEM;C:\Program Files\7-Zip;C:\cmake\bin;c:\windows\system32\windowspowershell\v1.0;C:\b\build_internal\tools
 PATHEXT: .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
 PROCESSOR_ARCHITECTURE: x86
 PROCESSOR_ARCHITEW6432: AMD64
 PROCESSOR_IDENTIFIER: Intel64 Family 6 Model 45 Stepping 7, GenuineIntel
 PROGRAMFILES: C:\Program Files (x86)
 PROGRAMFILES(X86): C:\Program Files (x86)
 PROGRAMW6432: C:\Program Files
 PROMPT: $P$G
 PWD: C:\b\build\slave\win_trunk\build
 PYTHONIOENCODING: UTF-8
 PYTHONPATH: C:\b\build\site_config;C:\b\build\scripts;C:\b\build\scripts\release;C:\b\build\third_party;C:\b\build\third_party\google_api_python_client;C:\b\build\third_party\httplib2\python2;C:\b\build\third_party\infra_libs;C:\b\build\third_party\oauth2client;C:\b\build\third_party\pyasn1;C:\b\build\third_party\pyasn1-modules;C:\b\build\third_party\python-rsa;C:\b\build\third_party\requests_2_10_0;C:\b\build\third_party\setuptools-0.6c11;C:\b\build\third_party\site-packages;C:\b\build\third_party\uritemplate;C:\b\build_internal\site_config;C:\b\build_internal\symsrc;C:\b\build\slave;C:\b\build\third_party\buildbot_slave_8_4;C:\b\build\third_party\twisted_10_2;
 PYTHONUNBUFFERED: 1
 PYTHON_BAT_RUNNER: 1
 PYTHON_BIN_RELDIR: win_tools-2_7_6_bin\python\bin
 SYSTEMDRIVE: C:
 SYSTEMROOT: C:\Windows
 TEMP: C:\Users\CHROME~1\AppData\Local\Temp
 TMP: C:\Users\CHROME~1\AppData\Local\Temp
 USERDOMAIN: OFFICIAL
 USERNAME: chrome-bot
 USERPROFILE: C:\Users\chrome-bot
 VPYTHON_VIRTUALENV_ROOT: C:\b\c\vpython
 VS110COMNTOOLS: C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\Tools\
 WINDIR: C:\Windows
ninja: Entering directory `C:\b\c\b\win_trunk\src\out\Release'
ninja: error: unknown target 'breakpad_unittests'
step returned non-zero exit code: 1