Cleanup: Remove unneeded path_service.h includes.

mojo/services/network/network_context.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/services/network/network_context.h"
 
 #include "base/base_paths.h"
-#include "base/path_service.h"
 #include "net/proxy/proxy_service.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_builder.h"
 
 namespace mojo {
 
 NetworkContext::NetworkContext(const base::FilePath& base_path) {
   net::URLRequestContextBuilder builder;
   builder.set_accept_language("en-us,en");
   // TODO(darin): This is surely the wrong UA string.
@@ skipping 12 matching lines @@
   builder.set_file_enabled(true);
 
   url_request_context_.reset(builder.Build());
 }
 
 NetworkContext::~NetworkContext() {
   // TODO(darin): Be careful about destruction order of member variables?
 }
 
 }  // namespace mojo