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

mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc

Index: mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc
diff --git a/third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc b/mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc
similarity index 98%
copy from third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc
copy to mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc
index 8fc1cf41451ec5674d6a9bb3733a1c7d4755c5a3..a0e915e63610902767c3c8106f40ab9445b924c0 100644
--- a/third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc
+++ b/mojo/edk/embedder/simple_platform_shared_buffer_unittest.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 <limits>
 
@@ -12,7 +12,7 @@
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 namespace {
 
 TEST(SimplePlatformSharedBufferTest, Basic) {
@@ -183,5 +183,5 @@ TEST(SimplePlatformSharedBufferTest, MappingsOutliveBuffer) {
 }
 
 }  // namespace
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo