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

mojo/edk/system/waiter_test_utils.h

Index: mojo/edk/system/waiter_test_utils.h
diff --git a/third_party/mojo/src/mojo/edk/system/waiter_test_utils.h b/mojo/edk/system/waiter_test_utils.h
similarity index 88%
copy from third_party/mojo/src/mojo/edk/system/waiter_test_utils.h
copy to mojo/edk/system/waiter_test_utils.h
index 967fb1bb499c75d25cf6f0de4c18d43d2807fb8d..a55d5073ff8329637b0f91e245436610777268fd 100644
--- a/third_party/mojo/src/mojo/edk/system/waiter_test_utils.h
+++ b/mojo/edk/system/waiter_test_utils.h
@@ -2,21 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_WAITER_TEST_UTILS_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_WAITER_TEST_UTILS_H_
+#ifndef MOJO_EDK_SYSTEM_WAITER_TEST_UTILS_H_
+#define MOJO_EDK_SYSTEM_WAITER_TEST_UTILS_H_
 
 #include <stdint.h>
 
 #include "base/memory/ref_counted.h"
 #include "base/threading/simple_thread.h"
+#include "mojo/edk/system/dispatcher.h"
+#include "mojo/edk/system/handle_signals_state.h"
+#include "mojo/edk/system/waiter.h"
 #include "mojo/public/c/system/types.h"
 #include "mojo/public/cpp/system/macros.h"
-#include "third_party/mojo/src/mojo/edk/system/dispatcher.h"
-#include "third_party/mojo/src/mojo/edk/system/handle_signals_state.h"
-#include "third_party/mojo/src/mojo/edk/system/waiter.h"
 
 namespace mojo {
-namespace system {
+namespace edk {
 namespace test {
 
 // This is a very simple thread that has a |Waiter|, on which it waits
@@ -98,7 +98,7 @@ class WaiterThread : public base::SimpleThread {
 };
 
 }  // namespace test
-}  // namespace system
+}  // namespace edk
 }  // namespace mojo
 
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_WAITER_TEST_UTILS_H_
+#endif  // MOJO_EDK_SYSTEM_WAITER_TEST_UTILS_H_