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 8ac61f10b528de01cfe9e4fbac37474cdf8412af..d46b0974e60e99a5bfe63589c2b6d2383e5bd7e0 100644
--- a/chrome/browser/profiles/off_the_record_profile_io_data.cc
+++ b/chrome/browser/profiles/off_the_record_profile_io_data.cc
@@ -253,8 +253,8 @@ 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::CreateWithDefaultProtocolHandlers();
 
   InstallProtocolHandlers(main_job_factory.get(), protocol_handlers);
   main_job_factory_ = SetUpJobFactoryDefaults(
@@ -299,8 +299,8 @@ 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::CreateWithDefaultProtocolHandlers();
   // 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
@@ -339,8 +339,8 @@ net::URLRequestContext* OffTheRecordProfileIOData::InitializeAppRequestContext(
 
   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::CreateWithDefaultProtocolHandlers();
   InstallProtocolHandlers(job_factory.get(), protocol_handlers);
   std::unique_ptr<net::URLRequestJobFactory> top_job_factory;
   top_job_factory = SetUpJobFactoryDefaults(