Hook up ProfileIOData's URLRequestContext to a NetworkService.

content/public/browser/content_browser_client.cc

Index: content/public/browser/content_browser_client.cc
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index e32549dda7db35e682f830e735fc7071033eb7ff..ab88bd95e70ded60b9547819f0e47aa0c74b091f 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -13,12 +13,14 @@
 #include "content/public/browser/client_certificate_delegate.h"
 #include "content/public/browser/memory_coordinator_delegate.h"
 #include "content/public/browser/navigation_ui_data.h"
+#include "content/public/browser/network_service_instance.h"
 #include "content/public/browser/vpn_service_proxy.h"
 #include "content/public/common/sandbox_type.h"
 #include "content/public/common/url_loader_throttle.h"
 #include "media/audio/audio_manager.h"
 #include "media/base/cdm_factory.h"
 #include "media/media_features.h"
+#include "mojo/public/cpp/bindings/associated_interface_ptr.h"
 #include "net/ssl/client_cert_identity.h"
 #include "storage/browser/quota/quota_manager.h"
 #include "ui/gfx/image/image_skia.h"
@@ -477,4 +479,22 @@ ContentBrowserClient::CreateURLLoaderThrottles(
   return std::vector<std::unique_ptr<URLLoaderThrottle>>();
 }
 
+mojom::NetworkContextPtr ContentBrowserClient::CreateMainNetworkContext(
+    BrowserContext* context) {
+  mojom::NetworkContextPtr network_context;
+  mojom::NetworkContextParamsPtr context_params =
+      mojom::NetworkContextParams::New();
+  GetNetworkService()->CreateNetworkContext(MakeRequest(&network_context),
+                                            std::move(context_params));
+  return network_context;
+}
+
+mojom::NetworkContextPtr
+ContentBrowserClient::CreateNetworkContextForStoragePartition(
+    BrowserContext* context,
+    bool in_memory,
+    const base::FilePath& partition_path) {
+  return ContentBrowserClient::CreateMainNetworkContext(context);

[jam, 2017/07/18 20:26:27]

should this be setting up NetworkContextParams and calling 
GetNetworkService()->CreateNetworkContext it?

[mmenke, 2017/07/18 20:57:34]

Moot point, since I've merged it with CreateMainNetworkContext.

+}
+
 }  // namespace content