Revert of Update mojo sdk to rev afb4440fd5a10cba980878c326180b7ad7960480

mojo/edk/js/handle.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/edk/js/handle.h"
 
+#include <sstream>
 #include "mojo/edk/js/handle_close_observer.h"
 
 namespace mojo {
 namespace js {
 
 gin::WrapperInfo HandleWrapper::kWrapperInfo = { gin::kEmbedderNativeGin };
 
 HandleWrapper::HandleWrapper(MojoHandle handle)
     : handle_(mojo::Handle(handle)) {
 }
 
 HandleWrapper::~HandleWrapper() {
   NotifyCloseObservers();
 }
 
+std::string HandleWrapper::ToString() {
+  std::ostringstream oss;
+  oss << "[mojo::Handle ";
+  if (handle_.is_valid())
+    oss << handle_.get().value();
+  else
+    oss << "null";
+  oss << "]";
+  return oss.str();
+}
+
+gin::ObjectTemplateBuilder HandleWrapper::GetObjectTemplateBuilder(
+    v8::Isolate* isolate) {
+  return Wrappable<HandleWrapper>::GetObjectTemplateBuilder(isolate)
+      .SetMethod("toString", &HandleWrapper::ToString);
+}
+
 void HandleWrapper::Close() {
   NotifyCloseObservers();
   handle_.reset();
 }
 
 void HandleWrapper::AddCloseObserver(HandleCloseObserver* observer) {
   close_observers_.AddObserver(observer);
 }
 
 void HandleWrapper::RemoveCloseObserver(HandleCloseObserver* observer) {
@@ skipping 42 matching lines @@
 }
 
 bool Converter<mojo::MessagePipeHandle>::FromV8(v8::Isolate* isolate,
                                                 v8::Handle<v8::Value> val,
                                                 mojo::MessagePipeHandle* out) {
   return Converter<mojo::Handle>::FromV8(isolate, val, out);
 }
 
 
 }  // namespace gin