Revert of Convert network hints to Mojo

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 0ab09d6fd5b9ec2a19a2413e6f08ba98a5bfc31e..3db8ffcf93b9f72ec2566445f896cd012b3901ac 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -967,14 +967,7 @@
   net::URLRequestContextGetter* context =
       host->GetStoragePartition()->GetURLRequestContext();
 
-  // The host owns both |chrome_render| and the interface registry, which will
-  // be destroyed before the filter.
-  auto* chrome_render_filter = new ChromeRenderMessageFilter(id, profile);
-  host->GetInterfaceRegistry()->AddInterface(
-      base::Bind(&ChromeRenderMessageFilter::BindNetworkHints,
-                 base::Unretained(chrome_render_filter)),
-      BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));
-  host->AddFilter(chrome_render_filter);
+  host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 #if defined(ENABLE_EXTENSIONS)
   host->AddFilter(new cast::CastTransportHostFilter);
 #endif