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

mojo/edk/embedder/platform_shared_buffer.h

Index: mojo/edk/embedder/platform_shared_buffer.h
diff --git a/third_party/mojo/src/mojo/edk/embedder/platform_shared_buffer.h b/mojo/edk/embedder/platform_shared_buffer.h
similarity index 90%
copy from third_party/mojo/src/mojo/edk/embedder/platform_shared_buffer.h
copy to mojo/edk/embedder/platform_shared_buffer.h
index da22cf54fd68696b0174e48e4646461c60fdb3a3..c7256afc71b9087c65bc31e3df9848ee113ffb53 100644
--- a/third_party/mojo/src/mojo/edk/embedder/platform_shared_buffer.h
+++ b/mojo/edk/embedder/platform_shared_buffer.h
@@ -2,19 +2,19 @@
 // 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_PLATFORM_SHARED_BUFFER_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_PLATFORM_SHARED_BUFFER_H_
+#ifndef MOJO_EDK_EMBEDDER_PLATFORM_SHARED_BUFFER_H_
+#define MOJO_EDK_EMBEDDER_PLATFORM_SHARED_BUFFER_H_
 
 #include <stddef.h>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "mojo/edk/embedder/scoped_platform_handle.h"
+#include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/cpp/system/macros.h"
-#include "third_party/mojo/src/mojo/edk/embedder/scoped_platform_handle.h"
-#include "third_party/mojo/src/mojo/edk/system/system_impl_export.h"
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 
 class PlatformSharedBufferMapping;
 
@@ -96,7 +96,7 @@ class MOJO_SYSTEM_IMPL_EXPORT PlatformSharedBufferMapping {
   MOJO_DISALLOW_COPY_AND_ASSIGN(PlatformSharedBufferMapping);
 };
 
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo
 
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_PLATFORM_SHARED_BUFFER_H_
+#endif  // MOJO_EDK_EMBEDDER_PLATFORM_SHARED_BUFFER_H_