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

extensions/renderer/api_test_base.h

Index: extensions/renderer/api_test_base.h
diff --git a/extensions/renderer/api_test_base.h b/extensions/renderer/api_test_base.h
index 9e6feab4474e4346114d64de6da73f11df3ede49..eb463461f17747d03c4cafc47bbd30d6295575dc 100644
--- a/extensions/renderer/api_test_base.h
+++ b/extensions/renderer/api_test_base.h
@@ -17,10 +17,15 @@
 #include "gin/modules/module_registry.h"
 #include "gin/object_template_builder.h"
 #include "gin/wrappable.h"
-#include "third_party/mojo/src/mojo/edk/js/handle.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
 #include "third_party/mojo/src/mojo/public/cpp/system/core.h"
 
+#if defined(USE_CHROME_EDK)
+#include "mojo/edk/js/handle.h"
+#else
+#include "third_party/mojo/src/mojo/edk/js/handle.h"
+#endif
+
 namespace extensions {
 
 class V8SchemaRegistry;