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

net/test/run_all_unittests.cc

Index: net/test/run_all_unittests.cc
diff --git a/net/test/run_all_unittests.cc b/net/test/run_all_unittests.cc
index 7da799183dc29779b58f6d287b86e6726bec4c57..592b2d2859fd7e053dbe2da8d496ec476f2bff3d 100644
--- a/net/test/run_all_unittests.cc
+++ b/net/test/run_all_unittests.cc
@@ -22,8 +22,12 @@
 #endif
 
 #if !defined(OS_ANDROID) && !defined(OS_IOS)
+#if defined(USE_CHROME_EDK)
+#include "mojo/edk/embedder/test_embedder.h"
+#else
 #include "third_party/mojo/src/mojo/edk/embedder/test_embedder.h"
 #endif
+#endif
 
 using net::internal::ClientSocketPoolBaseHelper;
 using net::SpdySession;