Initial checkin of gRPC to third_party/

third_party/grpc/src/python/grpcio/grpc/_adapter/_implementations.py

Index: third_party/grpc/src/python/grpcio/grpc/_adapter/_implementations.py
diff --git a/third_party/WebKit/LayoutTests/http/tests/websocket/workers/resources/echo_wsh.py b/third_party/grpc/src/python/grpcio/grpc/_adapter/_implementations.py
similarity index 76%
copy from third_party/WebKit/LayoutTests/http/tests/websocket/workers/resources/echo_wsh.py
copy to third_party/grpc/src/python/grpcio/grpc/_adapter/_implementations.py
index 429f58186e3fce43dc21e81e0f9d7e20c7e0bf70..b85f228bf69ee37c7524b73d551c88f6f98953fb 100644
--- a/third_party/WebKit/LayoutTests/http/tests/websocket/workers/resources/echo_wsh.py
+++ b/third_party/grpc/src/python/grpcio/grpc/_adapter/_implementations.py
@@ -1,4 +1,4 @@
-# Copyright 2010, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,20 +27,22 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+import collections
 
-from mod_pywebsocket import msgutil
+from grpc.beta import interfaces
 
+class AuthMetadataContext(collections.namedtuple(
+    'AuthMetadataContext', [
+        'service_url',
+        'method_name'
+    ]), interfaces.GRPCAuthMetadataContext):
+  pass
 
-_GOODBYE_MESSAGE = 'Goodbye'
 
+class AuthMetadataPluginCallback(interfaces.GRPCAuthMetadataContext):
 
-def web_socket_do_extra_handshake(request):
-    pass  # Always accept.
+  def __init__(self, callback):
+    self._callback = callback
 
-
-def web_socket_transfer_data(request):
-    while True:
-        line = msgutil.receive_message(request)
-        msgutil.send_message(request, line)
-        if line == _GOODBYE_MESSAGE:
-            return
+  def __call__(self, metadata, error):
+    self._callback(metadata, error)