Add HttpProtocolHandler and convert everything to use it

components/data_reduction_proxy/core/browser/data_reduction_proxy_interceptor_unittest.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 "components/data_reduction_proxy/core/browser/data_reduction_proxy_interceptor.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 129 matching lines @@
 };
 
 // Disabled on Mac due to flakiness. See crbug.com/601562.
 #if defined(OS_MACOSX)
 #define MAYBE_TestJobFactoryChaining DISABLED_TestJobFactoryChaining
 #else
 #define MAYBE_TestJobFactoryChaining TestJobFactoryChaining
 #endif
 TEST_F(DataReductionProxyInterceptorTest, MAYBE_TestJobFactoryChaining) {
   // Verifies that job factories can be chained.
-  std::unique_ptr<net::URLRequestJobFactory> impl(
-      new net::URLRequestJobFactoryImpl());
+  std::unique_ptr<net::URLRequestJobFactory> impl =
+      net::URLRequestJobFactoryImpl::CreateWithDefaultProtocolHandlers();
 
   CountingURLRequestInterceptor* interceptor2 =
       new CountingURLRequestInterceptor();
   std::unique_ptr<net::URLRequestJobFactory> factory2(
       new net::URLRequestInterceptingJobFactory(
           std::move(impl), base::WrapUnique(interceptor2)));
 
   CountingURLRequestInterceptor* interceptor1 =
       new CountingURLRequestInterceptor();
   std::unique_ptr<net::URLRequestJobFactory> factory1(
@@ skipping 53 matching lines @@
         net::ProxyServer::FromURI(spec, net::ProxyServer::SCHEME_HTTP);
     std::vector<net::ProxyServer> proxies_for_http;
     proxies_for_http.push_back(origin);
     test_context_->config()->test_params()->SetProxiesForHttp(proxies_for_http);
     std::string proxy_name = origin.ToURI();
     proxy_service_ = net::ProxyService::CreateFixedFromPacResult(
         "PROXY " + proxy_name + "; DIRECT");
 
     context_.set_proxy_service(proxy_service_.get());
 
-    std::unique_ptr<net::URLRequestJobFactoryImpl> job_factory_impl(
-        new net::URLRequestJobFactoryImpl());
+    std::unique_ptr<net::URLRequestJobFactoryImpl> job_factory_impl =
+        net::URLRequestJobFactoryImpl::CreateWithDefaultProtocolHandlers();
     job_factory_.reset(new net::URLRequestInterceptingJobFactory(
         std::move(job_factory_impl),
         test_context_->io_data()->CreateInterceptor()));
     context_.set_job_factory(job_factory_.get());
     context_.Init();
   }
 
   const net::TestURLRequestContext& context() {
     return context_;
   }
@@ skipping 282 matching lines @@
   std::vector<GURL> expected_url_chain;
   expected_url_chain.push_back(GURL("http://music.google.com"));
   expected_url_chain.push_back(GURL("http://play.google.com"));
   expected_url_chain.push_back(GURL("https://play.google.com"));
   EXPECT_EQ(expected_url_chain, request->url_chain());
 }
 
 }  // namespace
 
 }  // namespace data_reduction_proxy