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

mojo/edk/js/waiting_callback.cc

Index: mojo/edk/js/waiting_callback.cc
diff --git a/third_party/mojo/src/mojo/edk/js/waiting_callback.cc b/mojo/edk/js/waiting_callback.cc
similarity index 93%
copy from third_party/mojo/src/mojo/edk/js/waiting_callback.cc
copy to mojo/edk/js/waiting_callback.cc
index 9f58ef5061a880e209da23abe8fb4a85e64fea92..0bc875dd1a912672077a050ef86ae7b1d73c6f1e 100644
--- a/third_party/mojo/src/mojo/edk/js/waiting_callback.cc
+++ b/mojo/edk/js/waiting_callback.cc
@@ -2,7 +2,7 @@
 // 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/js/waiting_callback.h"
+#include "mojo/edk/js/waiting_callback.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
@@ -10,7 +10,7 @@
 #include "mojo/public/cpp/environment/environment.h"
 
 namespace mojo {
-namespace js {
+namespace edk {
 
 namespace {
 
@@ -31,8 +31,11 @@ gin::Handle<WaitingCallback> WaitingCallback::Create(
   gin::Handle<WaitingCallback> waiting_callback = gin::CreateHandle(
       isolate, new WaitingCallback(isolate, callback, handle_wrapper));
   waiting_callback->wait_id_ = Environment::GetDefaultAsyncWaiter()->AsyncWait(
-      3, handle_wrapper->get().value(), signals, MOJO_DEADLINE_INDEFINITE,
-      &WaitingCallback::CallOnHandleReady, waiting_callback.get());
+      handle_wrapper->get().value(),
+      signals,
+      MOJO_DEADLINE_INDEFINITE,
+      &WaitingCallback::CallOnHandleReady,
+      waiting_callback.get());
   return waiting_callback;
 }
 
@@ -108,5 +111,5 @@ void WaitingCallback::OnWillCloseHandle() {
                  MOJO_RESULT_INVALID_ARGUMENT));
 }
 
-}  // namespace js
+}  // namespace edk
 }  // namespace mojo