Add HttpProtocolHandler and convert everything to use it

net/url_request/url_request_test_util.cc

Index: net/url_request/url_request_test_util.cc
diff --git a/net/url_request/url_request_test_util.cc b/net/url_request/url_request_test_util.cc
index 5a026d395342b32da3904ca1d8ad46d70eccc2ee..4373736687fa9f3ba27dfbeb157fe3c5655575a3 100644
--- a/net/url_request/url_request_test_util.cc
+++ b/net/url_request/url_request_test_util.cc
@@ -27,6 +27,7 @@
 #include "net/proxy/proxy_retry_info.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/ssl/default_channel_id_store.h"
+#include "net/url_request/http_protocol_handler.h"
 #include "net/url_request/static_http_user_agent_settings.h"
 #include "net/url_request/url_request_job.h"
 #include "net/url_request/url_request_job_factory_impl.h"
@@ -146,7 +147,7 @@ void TestURLRequestContext::Init() {
   }
   if (!job_factory()) {
     context_storage_.set_job_factory(
-        base::MakeUnique<URLRequestJobFactoryImpl>());
+        URLRequestJobFactoryImpl::CreateWithHttpProtocolHandlers());
   }
 }
 
@@ -661,12 +662,25 @@ TestJobInterceptor::TestJobInterceptor() {}
 
 TestJobInterceptor::~TestJobInterceptor() {}
 
-URLRequestJob* TestJobInterceptor::MaybeCreateJob(
+URLRequestJob* TestJobInterceptor::MaybeInterceptRequest(
     URLRequest* request,
     NetworkDelegate* network_delegate) const {
   return main_intercept_job_.release();
 }
 
+URLRequestJob* TestJobInterceptor::MaybeInterceptRedirect(
+    URLRequest* request,
+    NetworkDelegate* network_delegate,
+    const GURL& location) const {
+  return nullptr;
+}
+
+URLRequestJob* TestJobInterceptor::MaybeInterceptResponse(
+    URLRequest* request,
+    NetworkDelegate* network_delegate) const {
+  return nullptr;
+}
+
 void TestJobInterceptor::set_main_intercept_job(
     std::unique_ptr<URLRequestJob> job) {
   main_intercept_job_ = std::move(job);