[Mojo] Fix the namespace for HandleWrapper

mojo/bindings/js/waiting_callback.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/bindings/js/waiting_callback.h"
 
 #include "gin/per_context_data.h"
 #include "mojo/public/cpp/environment/environment.h"
 
 namespace mojo {
 namespace js {
 
 namespace {
 
 v8::Handle<v8::String> GetHiddenPropertyName(v8::Isolate* isolate) {
   return gin::StringToSymbol(isolate, "::mojo::js::WaitingCallback");
 }
 
 }  // namespace
 
 gin::WrapperInfo WaitingCallback::kWrapperInfo = { gin::kEmbedderNativeGin };
 
 // static
 gin::Handle<WaitingCallback> WaitingCallback::Create(
     v8::Isolate* isolate,
     v8::Handle<v8::Function> callback,
-    gin::Handle<gin::HandleWrapper> handle_wrapper,
+    gin::Handle<HandleWrapper> handle_wrapper,
     MojoHandleSignals signals) {
   gin::Handle<WaitingCallback> waiting_callback = gin::CreateHandle(
       isolate, new WaitingCallback(isolate, callback, handle_wrapper));
   waiting_callback->wait_id_ = Environment::GetDefaultAsyncWaiter()->AsyncWait(
       handle_wrapper->get().value(),
       signals,
       MOJO_DEADLINE_INDEFINITE,
       &WaitingCallback::CallOnHandleReady,
       waiting_callback.get());
   return waiting_callback;
 }
 
 void WaitingCallback::Cancel() {
   if (!wait_id_)
     return;
 
   handle_wrapper_->RemoveCloseObserver(this);
   handle_wrapper_ = NULL;
   Environment::GetDefaultAsyncWaiter()->CancelWait(wait_id_);
   wait_id_ = 0;
 }
 
 WaitingCallback::WaitingCallback(v8::Isolate* isolate,
                                  v8::Handle<v8::Function> callback,
-                                 gin::Handle<gin::HandleWrapper> handle_wrapper)
+                                 gin::Handle<HandleWrapper> handle_wrapper)
     : wait_id_(0), handle_wrapper_(handle_wrapper.get()) {
   handle_wrapper_->AddCloseObserver(this);
   v8::Handle<v8::Context> context = isolate->GetCurrentContext();
   runner_ = gin::PerContextData::From(context)->runner()->GetWeakPtr();
   GetWrapper(isolate)->SetHiddenValue(GetHiddenPropertyName(isolate), callback);
 }
 
 WaitingCallback::~WaitingCallback() {
   Cancel();
 }
@@ skipping 23 matching lines @@
   runner_->Call(callback, runner_->global(), 1, args);
 }
 
 void WaitingCallback::OnWillCloseHandle() {
   Environment::GetDefaultAsyncWaiter()->CancelWait(wait_id_);
   OnHandleReady(MOJO_RESULT_INVALID_ARGUMENT);
 }
 
 }  // namespace js
 }  // namespace mojo