Rollback trunk to bleeding_edge revision 12524

tools/testrunner/server/work_handler.py

Index: tools/testrunner/server/work_handler.py
diff --git a/tools/testrunner/server/work_handler.py b/tools/testrunner/server/work_handler.py
index 9e61af8227adaff2c1c314de77f1d0a3131ef44d..6bf7d43cf946bb523e6a2e2ac42d32475bddd150 100644
--- a/tools/testrunner/server/work_handler.py
+++ b/tools/testrunner/server/work_handler.py
@@ -76,7 +76,7 @@ class WorkHandler(SocketServer.BaseRequestHandler):
   def _SendResponse(self, error_message=None):
     try:
       if error_message:
-        compression.Send([-1, error_message], self.request)
+        compression.Send([[-1, error_message]], self.request)
       compression.Send(constants.END_OF_STREAM, self.request)
       return
     except Exception, e:
@@ -128,6 +128,7 @@ class WorkHandler(SocketServer.BaseRequestHandler):
     return True
 
   def _ApplyPatch(self, patch):
+    if not patch: return True  # Just skip if the patch is empty.
     patchfilename = "_dtest_incoming_patch.patch"
     with open(patchfilename, "w") as f:
       f.write(patch)