Add HttpProtocolHandler and convert everything to use it

chrome/browser/profiles/profile_impl_io_data.cc

Index: chrome/browser/profiles/profile_impl_io_data.cc
diff --git a/chrome/browser/profiles/profile_impl_io_data.cc b/chrome/browser/profiles/profile_impl_io_data.cc
index a2680af2597f5ad08869f40ecc01320ebabcebf7..e0069d6f62312306e329cfe1c055ef72cc8f4886 100644
--- a/chrome/browser/profiles/profile_impl_io_data.cc
+++ b/chrome/browser/profiles/profile_impl_io_data.cc
@@ -538,8 +538,8 @@ void ProfileImplIOData::InitializeInternal(
       new net::FtpNetworkLayer(io_thread_globals->host_resolver.get()));
 #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);
 
   // Install the Offline Page Interceptor.
@@ -606,8 +606,8 @@ void ProfileImplIOData::
   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
@@ -700,8 +700,8 @@ net::URLRequestContext* ProfileImplIOData::InitializeAppRequestContext(
   context->SetCookieStore(std::move(cookie_store));
   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);
   // The data reduction proxy interceptor should be as close to the network
   // as possible.