Remove //sky/engine/platform/network

sky/services/platform/platform_impl.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 "sky/services/platform/platform_impl.h"
 
-#include "sky/services/platform/net_constants.h"
-#include "sky/services/platform/weburlloader_impl.h"
-
 namespace sky {
 
-PlatformImpl::PlatformImpl(mojo::NetworkServicePtr network_service)
+PlatformImpl::PlatformImpl()
     : main_thread_task_runner_(base::MessageLoop::current()->task_runner()) {
-  network_service_ = network_service.Pass();
 }
 
 PlatformImpl::~PlatformImpl() {
 }
 
 blink::WebString PlatformImpl::defaultLocale() {
   return blink::WebString::fromUTF8("en-US");
 }
 
 base::SingleThreadTaskRunner* PlatformImpl::mainThreadTaskRunner() {
   return main_thread_task_runner_.get();
 }
 
-mojo::NetworkService* PlatformImpl::networkService() {
-  return network_service_.get();
-}
-
-blink::WebURLLoader* PlatformImpl::createURLLoader() {
-  return new WebURLLoaderImpl(network_service_.get());
-}
-
-blink::WebURLError PlatformImpl::cancelledError(const blink::WebURL& url)
-    const {
-  blink::WebURLError error;
-  error.domain = blink::WebString::fromUTF8(kNetErrorDomain);
-  error.reason = kNetErrorAborted;
-  error.unreachableURL = url;
-  error.staleCopyInCache = false;
-  error.isCancellation = true;
-  return error;
-}
-
 }  // namespace sky