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

mojo/edk/system/message_in_transit_test_utils.h

Index: mojo/edk/system/message_in_transit_test_utils.h
diff --git a/third_party/mojo/src/mojo/edk/system/message_in_transit_test_utils.h b/mojo/edk/system/message_in_transit_test_utils.h
similarity index 75%
copy from third_party/mojo/src/mojo/edk/system/message_in_transit_test_utils.h
copy to mojo/edk/system/message_in_transit_test_utils.h
index db6759af9d6bc8e1c58daf67a91011e9852c5258..079d27b94eb825c3302f9dde60de3233ccb86de4 100644
--- a/third_party/mojo/src/mojo/edk/system/message_in_transit_test_utils.h
+++ b/mojo/edk/system/message_in_transit_test_utils.h
@@ -2,14 +2,14 @@
 // 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_MESSAGE_IN_TRANSIT_TEST_UTILS_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_MESSAGE_IN_TRANSIT_TEST_UTILS_H_
+#ifndef MOJO_EDK_SYSTEM_MESSAGE_IN_TRANSIT_TEST_UTILS_H_
+#define MOJO_EDK_SYSTEM_MESSAGE_IN_TRANSIT_TEST_UTILS_H_
 
 #include "base/memory/scoped_ptr.h"
-#include "third_party/mojo/src/mojo/edk/system/message_in_transit.h"
+#include "mojo/edk/system/message_in_transit.h"
 
 namespace mojo {
-namespace system {
+namespace edk {
 namespace test {
 
 // Makes a test message. It will be of type
@@ -29,7 +29,7 @@ void VerifyTestMessage(const MessageInTransit* message, unsigned id);
 bool IsTestMessage(MessageInTransit* message, unsigned* id);
 
 }  // namespace test
-}  // namespace system
+}  // namespace edk
 }  // namespace mojo
 
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_MESSAGE_IN_TRANSIT_TEST_UTILS_H_
+#endif  // MOJO_EDK_SYSTEM_MESSAGE_IN_TRANSIT_TEST_UTILS_H_