xyzzyz@xyzzyz:~/chromium/src$ ./tools/checklicenses/checklicenses.py third_party/grpc
Using base directory: /usr/local/google/home/xyzzyz/chromium/src
Checking: /usr/local/google/home/xyzzyz/chromium/src/third_party/grpc

'third_party/grpc/src/csharp/Grpc.Auth/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.HealthCheck.Tests/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.IntegrationTesting.Server/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.IntegrationTesting.QpsWorker/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.Core.Tests/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.HealthCheck/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.Examples.MathServer/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.IntegrationTesting.Client/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.Examples.Tests/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.IntegrationTesting.StressClient/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.IntegrationTesting/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.Core/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.Examples/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/src/csharp/Grpc.Examples.MathClient/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/test/distrib/csharp/DistribTest/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/vsprojects/coapp/openssl/version.inc' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/vsprojects/coapp/zlib/version.inc' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/third_party/rake-compiler-dock/build/sigfw.c' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/third_party/rake-compiler-dock/build.sh' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/examples/csharp/helloworld/GreeterServer/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/examples/csharp/helloworld/GreeterClient/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/examples/csharp/helloworld/Greeter/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/examples/csharp/route_guide/RouteGuideClient/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/examples/csharp/route_guide/RouteGuideServer/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'
'third_party/grpc/examples/csharp/route_guide/RouteGuide/Properties/AssemblyInfo.cs' has non-whitelisted license 'UNKNOWN'

FAILED

Please read http://www.chromium.org/developers/adding-3rd-party-libraries
for more info how to handle the failure.

Please respect OWNERS of checklicenses.py. Changes violating
this requirement may be reverted.