Stop using third_party\python_26 for many tests.

net/test/spawned_test_server/local_test_server.cc

Index: net/test/spawned_test_server/local_test_server.cc
diff --git a/net/test/spawned_test_server/local_test_server.cc b/net/test/spawned_test_server/local_test_server.cc
index bf1b0590786d683c2e3b768626c1b7a0e6c053db..8679d7b1554ff233390349fdf0607c62b92052e9 100644
--- a/net/test/spawned_test_server/local_test_server.cc
+++ b/net/test/spawned_test_server/local_test_server.cc
@@ -124,10 +124,16 @@ bool LocalTestServer::Stop() {
   if (!process_handle_)
     return true;
 
+#if defined(OS_WIN)
+  // This kills all the processes in the job object.
+  job_handle_.Close();
+#endif
+
   // First check if the process has already terminated.
   bool ret = base::WaitForSingleProcess(process_handle_, base::TimeDelta());
-  if (!ret)
+  if (!ret) {
     ret = base::KillProcess(process_handle_, 1, true);
+  }
 
   if (ret) {
     base::CloseProcessHandle(process_handle_);