Initial checkin of gRPC to third_party/

third_party/grpc/tools/run_tests/pre_build_csharp.sh

Index: third_party/grpc/tools/run_tests/pre_build_csharp.sh
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/common/system/environment.py b/third_party/grpc/tools/run_tests/pre_build_csharp.sh
old mode 100644
new mode 100755
similarity index 87%
copy from third_party/WebKit/Tools/Scripts/webkitpy/common/system/environment.py
copy to third_party/grpc/tools/run_tests/pre_build_csharp.sh
index a37bd31d9bfd498549dc9b1bf28a6b8c002bbf12..32466c217714b951206c7ee7e52a8d4e5007fbe1
--- a/third_party/WebKit/Tools/Scripts/webkitpy/common/system/environment.py
+++ b/third_party/grpc/tools/run_tests/pre_build_csharp.sh
@@ -1,4 +1,6 @@
-# Copyright (C) 2011 Google Inc. All rights reserved.
+#!/bin/bash
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
@@ -26,11 +28,14 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+set -ex
 
-class Environment(object):
+# cd to gRPC csharp directory
+cd $(dirname $0)/../../src/csharp
 
-    def __init__(self, env=None):
-        self.env = env or {}
+root=`pwd`
 
-    def to_dictionary(self):
-        return self.env
+if [ -x "$(command -v nuget)" ]
+then
+  nuget restore Grpc.sln
+fi