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

mojo/edk/embedder/simple_platform_shared_buffer_win.cc

Index: mojo/edk/embedder/simple_platform_shared_buffer_win.cc
diff --git a/third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer_win.cc b/mojo/edk/embedder/simple_platform_shared_buffer_win.cc
similarity index 90%
copy from third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer_win.cc
copy to mojo/edk/embedder/simple_platform_shared_buffer_win.cc
index be3c282475054df171b97664bc537ab338067d59..a2b205ef8742e0be1d31b0e90ab05601dda69306 100644
--- a/third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer_win.cc
+++ b/mojo/edk/embedder/simple_platform_shared_buffer_win.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/embedder/simple_platform_shared_buffer.h"
+#include "mojo/edk/embedder/simple_platform_shared_buffer.h"
 
 #include <windows.h>
 
@@ -10,11 +10,11 @@
 
 #include "base/logging.h"
 #include "base/sys_info.h"
-#include "third_party/mojo/src/mojo/edk/embedder/platform_handle.h"
-#include "third_party/mojo/src/mojo/edk/embedder/scoped_platform_handle.h"
+#include "mojo/edk/embedder/platform_handle.h"
+#include "mojo/edk/embedder/scoped_platform_handle.h"
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 
 // SimplePlatformSharedBuffer --------------------------------------------------
 
@@ -84,5 +84,5 @@ void SimplePlatformSharedBufferMapping::Unmap() {
   PLOG_IF(ERROR, !result) << "UnmapViewOfFile";
 }
 
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo