Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

mojo/edk/system/message_in_transit_queue_unittest.cc

Index: mojo/edk/system/message_in_transit_queue_unittest.cc
diff --git a/third_party/mojo/src/mojo/edk/system/message_in_transit_queue_unittest.cc b/mojo/edk/system/message_in_transit_queue_unittest.cc
similarity index 92%
copy from third_party/mojo/src/mojo/edk/system/message_in_transit_queue_unittest.cc
copy to mojo/edk/system/message_in_transit_queue_unittest.cc
index d7fa222920f2c45886f16c440ee9888e9a5bb7ae..7e715d22e14b2ea2cc56f182a5bf8497b7337a39 100644
--- a/third_party/mojo/src/mojo/edk/system/message_in_transit_queue_unittest.cc
+++ b/mojo/edk/system/message_in_transit_queue_unittest.cc
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "third_party/mojo/src/mojo/edk/system/message_in_transit_queue.h"
+#include "mojo/edk/system/message_in_transit_queue.h"
 
-#include "third_party/mojo/src/mojo/edk/system/message_in_transit_test_utils.h"
+#include "mojo/edk/system/message_in_transit_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
-namespace system {
+namespace edk {
 namespace {
 
 TEST(MessageInTransitQueueTest, Basic) {
@@ -87,5 +87,5 @@ TEST(MessageInTransitQueueTest, Swap) {
 }
 
 }  // namespace
-}  // namespace system
+}  // namespace edk
 }  // namespace mojo