Add HttpProtocolHandler and convert everything to use it

content/browser/loader/resource_loader_unittest.cc

Index: content/browser/loader/resource_loader_unittest.cc
diff --git a/content/browser/loader/resource_loader_unittest.cc b/content/browser/loader/resource_loader_unittest.cc
index 32197c7bc1ea1d2698414cc6da3915a452127d3e..9c04c8409c374ba95a8e5ba5759edc8506490c68 100644
--- a/content/browser/loader/resource_loader_unittest.cc
+++ b/content/browser/loader/resource_loader_unittest.cc
@@ -48,6 +48,7 @@
 #include "net/ssl/ssl_private_key.h"
 #include "net/test/cert_test_util.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
+#include "net/url_request/http_protocol_handler.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_filter.h"
 #include "net/url_request/url_request_interceptor.h"
@@ -589,6 +590,8 @@ class ResourceLoaderTest : public testing::Test,
 
   void SetUp() override {
     job_factory_.SetProtocolHandler("test", CreateProtocolHandler());
+    job_factory_.SetProtocolHandler(
+        "https", base::WrapUnique(new net::HttpProtocolHandler));

[mmenke, 2016/04/22 18:37:52]

Could you just create the factory with the defaults?  You've have to switch it
to a unique_ptr, but shouldn't be a big deal.

[mgersh, 2016/04/22 20:27:15]

Done.

 
     browser_context_.reset(new TestBrowserContext());
     scoped_refptr<SiteInstance> site_instance =