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

mojo/edk/embedder/simple_platform_shared_buffer.h

Index: mojo/edk/embedder/simple_platform_shared_buffer.h
diff --git a/third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer.h b/mojo/edk/embedder/simple_platform_shared_buffer.h
similarity index 88%
copy from third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer.h
copy to mojo/edk/embedder/simple_platform_shared_buffer.h
index 90b8dd1d87431a75ef7b6f692ea8a30cf00183fb..798bc3a1b4110f5a05a4977e485033ab17989003 100644
--- a/third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer.h
+++ b/mojo/edk/embedder/simple_platform_shared_buffer.h
@@ -2,17 +2,17 @@
 // 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_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_
+#ifndef MOJO_EDK_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_
+#define MOJO_EDK_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_
 
 #include <stddef.h>
 
+#include "mojo/edk/embedder/platform_shared_buffer.h"
+#include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/cpp/system/macros.h"
-#include "third_party/mojo/src/mojo/edk/embedder/platform_shared_buffer.h"
-#include "third_party/mojo/src/mojo/edk/system/system_impl_export.h"
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 
 // A simple implementation of |PlatformSharedBuffer|.
 class MOJO_SYSTEM_IMPL_EXPORT SimplePlatformSharedBuffer final
@@ -95,7 +95,7 @@ class MOJO_SYSTEM_IMPL_EXPORT SimplePlatformSharedBufferMapping
   MOJO_DISALLOW_COPY_AND_ASSIGN(SimplePlatformSharedBufferMapping);
 };
 
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo
 
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_
+#endif  // MOJO_EDK_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_