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

mojo/edk/js/mojo_runner_delegate.h

Index: mojo/edk/js/mojo_runner_delegate.h
diff --git a/third_party/mojo/src/mojo/edk/js/mojo_runner_delegate.h b/mojo/edk/js/mojo_runner_delegate.h
similarity index 76%
copy from third_party/mojo/src/mojo/edk/js/mojo_runner_delegate.h
copy to mojo/edk/js/mojo_runner_delegate.h
index 2890a1075f0650097884b216f0478035f77137a8..7b50b30a6909917d34976d12f9aba14e6aee9245 100644
--- a/third_party/mojo/src/mojo/edk/js/mojo_runner_delegate.h
+++ b/mojo/edk/js/mojo_runner_delegate.h
@@ -2,15 +2,15 @@
 // 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_JS_MOJO_RUNNER_DELEGATE_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_JS_MOJO_RUNNER_DELEGATE_H_
+#ifndef MOJO_EDK_JS_MOJO_RUNNER_DELEGATE_H_
+#define MOJO_EDK_JS_MOJO_RUNNER_DELEGATE_H_
 
 #include "base/macros.h"
 #include "gin/modules/module_runner_delegate.h"
 #include "mojo/public/c/system/core.h"
 
 namespace mojo {
-namespace js {
+namespace edk {
 
 class MojoRunnerDelegate : public gin::ModuleRunnerDelegate {
  public:
@@ -27,7 +27,7 @@ class MojoRunnerDelegate : public gin::ModuleRunnerDelegate {
   DISALLOW_COPY_AND_ASSIGN(MojoRunnerDelegate);
 };
 
-}  // namespace js
+}  // namespace edk
 }  // namespace mojo
 
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_JS_MOJO_RUNNER_DELEGATE_H_
+#endif  // MOJO_EDK_JS_MOJO_RUNNER_DELEGATE_H_