Fix HttpCache creation to use the correct API: CreateMainHttpCache and

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 db44df0eb98f48964d552431b513d923142604ad..1ed4fe128bde126dcbc038e42c15a2baf159324e 100644
--- a/chrome/browser/profiles/profile_impl_io_data.cc
+++ b/chrome/browser/profiles/profile_impl_io_data.cc
@@ -695,7 +695,7 @@ net::URLRequestContext* ProfileImplIOData::InitializeAppRequestContext(
   std::unique_ptr<net::HttpNetworkSession> http_network_session(
       new net::HttpNetworkSession(network_params));
   std::unique_ptr<net::HttpCache> app_http_cache =
-      CreateHttpFactory(http_network_session.get(), std::move(app_backend));
+      CreateMainHttpFactory(http_network_session.get(), std::move(app_backend));
 
   // Transfer ownership of the ChannelIDStore and the HttpNetworkSession to the
   // AppRequestContext.