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

mojo/edk/js/handle.cc

Index: mojo/edk/js/handle.cc
diff --git a/third_party/mojo/src/mojo/edk/js/handle.cc b/mojo/edk/js/handle.cc
similarity index 90%
copy from third_party/mojo/src/mojo/edk/js/handle.cc
copy to mojo/edk/js/handle.cc
index de8f3383836494bc63fc67134da1cc88302797a3..c465f463449525fb2ba3ebcd57e1aa72bc890399 100644
--- a/third_party/mojo/src/mojo/edk/js/handle.cc
+++ b/mojo/edk/js/handle.cc
@@ -7,7 +7,7 @@
 #include "mojo/edk/js/handle_close_observer.h"
 
 namespace mojo {
-namespace js {
+namespace edk {
 
 gin::WrapperInfo HandleWrapper::kWrapperInfo = { gin::kEmbedderNativeGin };
 
@@ -39,7 +39,7 @@ void HandleWrapper::NotifyCloseObservers() {
   FOR_EACH_OBSERVER(HandleCloseObserver, close_observers_, OnWillCloseHandle());
 }
 
-}  // namespace js
+}  // namespace edk
 }  // namespace mojo
 
 namespace gin {
@@ -48,7 +48,7 @@ v8::Handle<v8::Value> Converter<mojo::Handle>::ToV8(v8::Isolate* isolate,
                                                     const mojo::Handle& val) {
   if (!val.is_valid())
     return v8::Null(isolate);
-  return mojo::js::HandleWrapper::Create(isolate, val.value()).ToV8();
+  return mojo::edk::HandleWrapper::Create(isolate, val.value()).ToV8();
 }
 
 bool Converter<mojo::Handle>::FromV8(v8::Isolate* isolate,
@@ -59,8 +59,8 @@ bool Converter<mojo::Handle>::FromV8(v8::Isolate* isolate,
     return true;
   }
 
-  gin::Handle<mojo::js::HandleWrapper> handle;
-  if (!Converter<gin::Handle<mojo::js::HandleWrapper> >::FromV8(
+  gin::Handle<mojo::edk::HandleWrapper> handle;
+  if (!Converter<gin::Handle<mojo::edk::HandleWrapper> >::FromV8(
       isolate, val, &handle))
     return false;