Cleanup mojo_shell and sample_app a bit

mojo/shell/url_request_context_getter.cc

 // Copyright 2013 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/loader/url_request_context_getter.h"
+#include "mojo/shell/url_request_context_getter.h"
 
 #include "net/cookies/cookie_monster.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/proxy/proxy_service.h"
 #include "net/ssl/ssl_config_service_defaults.h"
 #include "net/url_request/static_http_user_agent_settings.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_job_factory_impl.h"
 
 namespace mojo {
-namespace loader {
+namespace shell {
 
 URLRequestContextGetter::URLRequestContextGetter(
     base::FilePath base_path,
     base::SingleThreadTaskRunner* network_task_runner,
     base::MessageLoopProxy* cache_task_runner)
     : base_path_(base_path),
       network_task_runner_(network_task_runner),
       cache_task_runner_(cache_task_runner),
       net_log_(new net::NetLog()) {
 }
@@ skipping 54 matching lines @@
   }
 
   return url_request_context_.get();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 URLRequestContextGetter::GetNetworkTaskRunner() const {
   return network_task_runner_;
 }
 
-}  // namespace loader
+}  // namespace shell
 }  // namespace mojo