win: Add implementation of HTTPTransport based on WinHTTP

util/net/http_transport_test_server.py

Index: util/net/http_transport_test_server.py
diff --git a/util/net/http_transport_test_server.py b/util/net/http_transport_test_server.py
index ac6c834cdba33907783f41ecd004675981951afc..51d722e13299ed17d4c0eff1cfbef2f6bc3cc158 100755
--- a/util/net/http_transport_test_server.py
+++ b/util/net/http_transport_test_server.py
@@ -77,6 +77,8 @@ class RequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
       body = self.rfile.read(length)
 
     self.send_response(self.response_code)
+    self.end_headers()
+
     writer.write(body)
     writer.flush()
 
@@ -118,6 +120,10 @@ class RequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
 
 
 def Main():
+  if sys.platform == 'win32':
+    import os, msvcrt
+    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
+
   # Start the server.
   server = BaseHTTPServer.HTTPServer(('127.0.0.1', 0), RequestHandler)