Add HttpProtocolHandler and convert everything to use it

chrome/browser/profiles/off_the_record_profile_io_data.cc

Index: chrome/browser/profiles/off_the_record_profile_io_data.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_io_data.cc b/chrome/browser/profiles/off_the_record_profile_io_data.cc
index 6fd18bc1f8be691839ed5ab5e0887e8144b63e58..aa511e48c462c9d878bf8544c67941f5942dc4d8 100644
--- a/chrome/browser/profiles/off_the_record_profile_io_data.cc
+++ b/chrome/browser/profiles/off_the_record_profile_io_data.cc
@@ -251,8 +251,8 @@ void OffTheRecordProfileIOData::InitializeInternal(
       new net::FtpNetworkLayer(main_context->host_resolver()));
 #endif  // !defined(DISABLE_FTP_SUPPORT)
 
-  std::unique_ptr<net::URLRequestJobFactoryImpl> main_job_factory(
-      new net::URLRequestJobFactoryImpl());
+  std::unique_ptr<net::URLRequestJobFactoryImpl> main_job_factory =
+      net::URLRequestJobFactoryImpl::CreateWithHttpProtocolHandlers();
 
   InstallProtocolHandlers(main_job_factory.get(), protocol_handlers);
   main_context_storage->set_job_factory(SetUpJobFactoryDefaults(
@@ -294,8 +294,8 @@ void OffTheRecordProfileIOData::
   extensions_cookie_store_ = content::CreateCookieStore(cookie_config);
   extensions_context->set_cookie_store(extensions_cookie_store_.get());
 
-  std::unique_ptr<net::URLRequestJobFactoryImpl> extensions_job_factory(
-      new net::URLRequestJobFactoryImpl());
+  std::unique_ptr<net::URLRequestJobFactoryImpl> extensions_job_factory =
+      net::URLRequestJobFactoryImpl::CreateWithHttpProtocolHandlers();
   // TODO(shalev): The extensions_job_factory has a NULL NetworkDelegate.
   // Without a network_delegate, this protocol handler will never
   // handle file: requests, but as a side effect it makes
@@ -348,8 +348,8 @@ net::URLRequestContext* OffTheRecordProfileIOData::InitializeAppRequestContext(
   context->SetHttpNetworkSession(std::move(http_network_session));
   context->SetHttpTransactionFactory(std::move(app_http_cache));
 
-  std::unique_ptr<net::URLRequestJobFactoryImpl> job_factory(
-      new net::URLRequestJobFactoryImpl());
+  std::unique_ptr<net::URLRequestJobFactoryImpl> job_factory =
+      net::URLRequestJobFactoryImpl::CreateWithHttpProtocolHandlers();
   InstallProtocolHandlers(job_factory.get(), protocol_handlers);
   std::unique_ptr<net::URLRequestJobFactory> top_job_factory;
   top_job_factory = SetUpJobFactoryDefaults(